diff --git a/docs/source/conf.py b/docs/source/conf.py
index 16be3567d0..12558139e1 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -48,7 +48,7 @@ copyright = u'2011-2014, Massachusetts Institute of Technology'
 # The short X.Y version.
 version = "0.6"
 # The full version, including alpha/beta/rc tags.
-release = "0.6.0"
+release = "0.6.1"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/source/devguide/statepoint.rst b/docs/source/devguide/statepoint.rst
index 5f05c92c83..82b0a7f054 100644
--- a/docs/source/devguide/statepoint.rst
+++ b/docs/source/devguide/statepoint.rst
@@ -4,6 +4,13 @@
 State Point Binary File Specifications
 ======================================
 
+-----------
+Revision 12
+-----------
+
+Same as revision 11, except **tallies(i) % scatt_order(j)** is now **tallies(i)
+% moment_order(j)**.
+
 -----------
 Revision 11
 -----------
@@ -218,13 +225,13 @@ if (run_mode == MODE_EIGENVALUE)
         **integer(4) tallies(i) % score_bins(j)**
 
             Values of specified scoring bins (e.g. SCORE_FLUX).
-            
+
     *do j = 1, tallies(i) % n_score_bins*
 
         **integer(4) tallies(i) % scatt_order(j)**
 
             Scattering Order specified scoring bins.
-            
+
     **integer(4) tallies(i) % n_score_bins**
 
         Number of scoring bins without accounting for those added by
@@ -265,7 +272,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -295,7 +302,7 @@ if (run_mode == MODE_EIGENVALUE and source_present)
             Energy of the i-th source particle.
 
 -----------
-Revision 10 
+Revision 10
 -----------
 
 **integer(4) FILETYPE_STATEPOINT**
@@ -508,13 +515,13 @@ if (run_mode == MODE_EIGENVALUE)
         **integer(4) tallies(i) % score_bins(j)**
 
             Values of specified scoring bins (e.g. SCORE_FLUX).
-            
+
     *do j = 1, tallies(i) % n_score_bins*
 
         **integer(4) tallies(i) % scatt_order(j)**
 
             Scattering Order specified scoring bins.
-            
+
     **integer(4) tallies(i) % n_score_bins**
 
         Number of scoring bins without accounting for those added by
@@ -551,7 +558,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -760,13 +767,13 @@ if (run_mode == MODE_EIGENVALUE)
         **integer(4) tallies(i) % score_bins(j)**
 
             Values of specified scoring bins (e.g. SCORE_FLUX).
-            
+
     *do j = 1, tallies(i) % n_score_bins*
 
         **integer(4) tallies(i) % scatt_order(j)**
 
             Scattering Order specified scoring bins.
-            
+
     **integer(4) tallies(i) % n_score_bins**
 
         Number of scoring bins without accounting for those added by
@@ -803,7 +810,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -1008,13 +1015,13 @@ if (run_mode == MODE_EIGENVALUE)
         **integer(4) tallies(i) % score_bins(j)**
 
             Values of specified scoring bins (e.g. SCORE_FLUX).
-            
+
     *do j = 1, tallies(i) % n_score_bins*
 
         **integer(4) tallies(i) % scatt_order(j)**
 
             Scattering Order specified scoring bins.
-            
+
     **integer(4) tallies(i) % n_score_bins**
 
         Number of scoring bins without accounting for those added by
@@ -1051,7 +1058,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -1240,13 +1247,13 @@ if (run_mode == MODE_EIGENVALUE)
         **integer(4) tallies(i) % score_bins(j)**
 
             Values of specified scoring bins (e.g. SCORE_FLUX).
-            
+
     *do j = 1, tallies(i) % n_score_bins*
 
         **integer(4) tallies(i) % scatt_order(j)**
 
             Scattering Order specified scoring bins.
-            
+
     **integer(4) tallies(i) % n_score_bins**
 
         Number of scoring bins without accounting for those added by
@@ -1283,7 +1290,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -1504,7 +1511,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -1713,7 +1720,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -1918,7 +1925,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -2119,7 +2126,7 @@ if (tallies_on > 0)
             *do j = 1, size(tallies(i) % scores, 1)*
 
                 **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                     Accumulated sum for the j-th score and k-th filter of the
                     i-th tally
 
@@ -2240,7 +2247,7 @@ Revision 2
         *do j = 1, size(tallies(i) % scores, 1)*
 
             **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                 Accumulated sum for the j-th score and k-th filter of the i-th
                 tally
 
@@ -2339,7 +2346,7 @@ Revision 1
         *do j = 1, size(tallies(i) % scores, 1)*
 
             **real(8) tallies(i) % scores(j,k) % sum**
-            
+
                 Accumulated sum for the j-th score and k-th filter of the i-th
                 tally
 
diff --git a/docs/source/releasenotes/notes_0.6.1.rst b/docs/source/releasenotes/notes_0.6.1.rst
index b0651a8629..71852bd174 100644
--- a/docs/source/releasenotes/notes_0.6.1.rst
+++ b/docs/source/releasenotes/notes_0.6.1.rst
@@ -17,7 +17,7 @@ the problem at hand (mostly on the number of nuclides in the problem).
 New Features
 ------------
 
-- Coarse mesh finite difference acceleration no longer requires PETSc
+- Coarse mesh finite difference (CMFD) acceleration no longer requires PETSc
 - Statepoint file numbering is now zero-padded
 - Python scripts now compatible with Python 2 or 3
 - Ability to run particle restarts in fixed source calculations
@@ -38,6 +38,7 @@ Bug Fixes
 - 01178b_: Fix metastables nuclides in NNDC cross_sections.xml file
 - 62ec43_: Don't read tallies.xml when OpenMC is run in plotting mode
 - 2a95ef_: Prevent segmentation fault on "current" score without mesh filter
+- 93e482_: Check for negative values in probability tables
 
 .. _03e890: https://github.com/mit-crpg/openmc/commit/03e890
 .. _4439de: https://github.com/mit-crpg/openmc/commit/4439de
@@ -48,6 +49,7 @@ Bug Fixes
 .. _01178b: https://github.com/mit-crpg/openmc/commit/01178b
 .. _62ec43: https://github.com/mit-crpg/openmc/commit/62ec43
 .. _2a95ef: https://github.com/mit-crpg/openmc/commit/2a95ef
+.. _93e482: https://github.com/mit-crpg/openmc/commit/93e482
 
 ------------
 Contributors
diff --git a/docs/source/usersguide/input.rst b/docs/source/usersguide/input.rst
index 09aea601bb..d7245bc6e1 100644
--- a/docs/source/usersguide/input.rst
+++ b/docs/source/usersguide/input.rst
@@ -1092,10 +1092,10 @@ The ``<tally>`` element accepts the following sub-elements:
       all of the harmonic moments of order 0 to N.  N must be between 0 and 10.
 
     :total-YN:
-      Spherical harmonic expansion of the incoming particle's direction of
-      motion :math:`\left(\Omega\right)` of the total flux.  This score will
-      tally all of the harmonic moments of order 0 to N.  N must be between 0
-      and 10.
+      The total reaction rate expanded via spherical harmonics about the 
+      direction of motion of the neutron, :math:`\Omega`.
+      This score will tally all of the harmonic moments of order 0 to N.  N must
+      be between 0 and 10.
 
     :current:
       Partial currents on the boundaries of each cell in a mesh.
diff --git a/docs/source/usersguide/install.rst b/docs/source/usersguide/install.rst
index 358937e303..33e5936586 100644
--- a/docs/source/usersguide/install.rst
+++ b/docs/source/usersguide/install.rst
@@ -239,20 +239,22 @@ the root directory of the source code:
 
 .. code-block:: sh
 
-    cd src
+    mkdir src/build
+    cd src/build
+    cmake ..
     make
-    sudo make install
+    make install
 
 This will build an executable named ``openmc`` and install it (by default in
 /usr/local/bin). If you do not have administrative privileges, you can install
-OpenMC locally by replacing the last command with:
+OpenMC locally by specifying an install prefix when running cmake:
 
 .. code-block:: sh
 
-    make install -e prefix=$HOME/.local
+    cmake -DCMAKE_INSTALL_PREFIX=$HOME/.local ..
 
-The ``prefix`` variable can be changed to any path for which you have
-write-access.
+The ``CMAKE_INSTALL_PREFIX`` variable can be changed to any path for which you
+have write-access.
 
 Compiling on Windows
 --------------------
@@ -326,7 +328,7 @@ Testing Build
 -------------
 
 If you have ENDF/B-VII.1 cross sections from NNDC_ you can test your build.
-Make sure the **CROSS_SECTIONS** environmental variable is set to the 
+Make sure the **CROSS_SECTIONS** environmental variable is set to the
 *cross_sections.xml* file in the *data/nndc* directory.
 There are two ways to run tests. The first is to use the Makefile present in
 the source directory and run the following:
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8a9424e79d..bf657c03de 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -261,7 +261,8 @@ install(FILES ../LICENSE DESTINATION "share/doc/${program}/copyright")
 find_package(PythonInterp)
 if(PYTHONINTERP_FOUND)
   install(CODE "execute_process(
-                  COMMAND ${PYTHON_EXECUTABLE} setup.py install --user
+                  COMMAND ${PYTHON_EXECUTABLE} setup.py install
+                  --prefix=${CMAKE_INSTALL_PREFIX}
                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/utils)")
 endif()
 
diff --git a/src/constants.F90 b/src/constants.F90
index ae9c77287a..91aafaa009 100644
--- a/src/constants.F90
+++ b/src/constants.F90
@@ -8,7 +8,7 @@ module constants
   ! OpenMC major, minor, and release numbers
   integer, parameter :: VERSION_MAJOR   = 0
   integer, parameter :: VERSION_MINOR   = 6
-  integer, parameter :: VERSION_RELEASE = 0
+  integer, parameter :: VERSION_RELEASE = 1
 
   ! Revision numbers for binary files
   integer, parameter :: REVISION_STATEPOINT       = 12
diff --git a/src/utils/setup.py b/src/utils/setup.py
index 1000e509b3..4c2f1ae246 100644
--- a/src/utils/setup.py
+++ b/src/utils/setup.py
@@ -3,7 +3,7 @@
 from distutils.core import setup
 
 setup(name='statepoint',
-      version='0.6.0',
+      version='0.6.1',
       description='OpenMC StatePoint',
       author='Paul Romano',
       author_email='paul.k.romano@gmail.com',
diff --git a/tests/test_basic/results.py b/tests/test_basic/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_basic/results.py
+++ b/tests/test_basic/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_cmfd_feed/results.py b/tests/test_cmfd_feed/results.py
index 26bcb36d9f..bf969b4b04 100644
--- a/tests/test_cmfd_feed/results.py
+++ b/tests/test_cmfd_feed/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_cmfd_jfnk/results.py b/tests/test_cmfd_jfnk/results.py
index 26bcb36d9f..bf969b4b04 100644
--- a/tests/test_cmfd_jfnk/results.py
+++ b/tests/test_cmfd_jfnk/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_cmfd_nofeed/results.py b/tests/test_cmfd_nofeed/results.py
index 26bcb36d9f..bf969b4b04 100644
--- a/tests/test_cmfd_nofeed/results.py
+++ b/tests/test_cmfd_nofeed/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_confidence_intervals/results.py b/tests/test_confidence_intervals/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_confidence_intervals/results.py
+++ b/tests/test_confidence_intervals/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_density_atombcm/results.py b/tests/test_density_atombcm/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_density_atombcm/results.py
+++ b/tests/test_density_atombcm/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_density_atomcm3/results.py b/tests/test_density_atomcm3/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_density_atomcm3/results.py
+++ b/tests/test_density_atomcm3/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_density_kgm3/results.py b/tests/test_density_kgm3/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_density_kgm3/results.py
+++ b/tests/test_density_kgm3/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_density_sum/results.py b/tests/test_density_sum/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_density_sum/results.py
+++ b/tests/test_density_sum/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_eigenvalue_genperbatch/results.py b/tests/test_eigenvalue_genperbatch/results.py
index 36b1a0a5f2..e2bb49e235 100644
--- a/tests/test_eigenvalue_genperbatch/results.py
+++ b/tests/test_eigenvalue_genperbatch/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_eigenvalue_no_inactive/results.py b/tests/test_eigenvalue_no_inactive/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_eigenvalue_no_inactive/results.py
+++ b/tests/test_eigenvalue_no_inactive/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_energy_grid/results.py b/tests/test_energy_grid/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_energy_grid/results.py
+++ b/tests/test_energy_grid/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_entropy/results.py b/tests/test_entropy/results.py
index 9118335186..6c56b22c19 100644
--- a/tests/test_entropy/results.py
+++ b/tests/test_entropy/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_cell/results.py b/tests/test_filter_cell/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_cell/results.py
+++ b/tests/test_filter_cell/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_cellborn/results.py b/tests/test_filter_cellborn/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_cellborn/results.py
+++ b/tests/test_filter_cellborn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_energy/results.py b/tests/test_filter_energy/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_energy/results.py
+++ b/tests/test_filter_energy/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_energyout/results.py b/tests/test_filter_energyout/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_energyout/results.py
+++ b/tests/test_filter_energyout/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_group_transfer/results.py b/tests/test_filter_group_transfer/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_group_transfer/results.py
+++ b/tests/test_filter_group_transfer/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_material/results.py b/tests/test_filter_material/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_material/results.py
+++ b/tests/test_filter_material/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_mesh_2d/results.py b/tests/test_filter_mesh_2d/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_mesh_2d/results.py
+++ b/tests/test_filter_mesh_2d/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_mesh_3d/results.py b/tests/test_filter_mesh_3d/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_mesh_3d/results.py
+++ b/tests/test_filter_mesh_3d/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_filter_universe/results.py b/tests/test_filter_universe/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_filter_universe/results.py
+++ b/tests/test_filter_universe/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_fixed_source/results.py b/tests/test_fixed_source/results.py
index ed0c8fd3a7..39695b1e47 100644
--- a/tests/test_fixed_source/results.py
+++ b/tests/test_fixed_source/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_lattice/results.py b/tests/test_lattice/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_lattice/results.py
+++ b/tests/test_lattice/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_lattice_multiple/results.py b/tests/test_lattice_multiple/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_lattice_multiple/results.py
+++ b/tests/test_lattice_multiple/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_natural_element/results.py b/tests/test_natural_element/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_natural_element/results.py
+++ b/tests/test_natural_element/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_output/results.py b/tests/test_output/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_output/results.py
+++ b/tests/test_output/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_particle_restart_eigval/results.py b/tests/test_particle_restart_eigval/results.py
index 23670872be..5f522b0848 100644
--- a/tests/test_particle_restart_eigval/results.py
+++ b/tests/test_particle_restart_eigval/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import particle restart 
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import particle_restart as pr
 
 # read in particle restart file
diff --git a/tests/test_particle_restart_fixed/results.py b/tests/test_particle_restart_fixed/results.py
index e84cb88cff..84956f1d0b 100644
--- a/tests/test_particle_restart_fixed/results.py
+++ b/tests/test_particle_restart_fixed/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import particle restart 
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import particle_restart as pr
 
 # read in particle restart file
diff --git a/tests/test_ptables_off/results.py b/tests/test_ptables_off/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_ptables_off/results.py
+++ b/tests/test_ptables_off/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_reflective_cone/results.py b/tests/test_reflective_cone/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_reflective_cone/results.py
+++ b/tests/test_reflective_cone/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_reflective_cylinder/results.py b/tests/test_reflective_cylinder/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_reflective_cylinder/results.py
+++ b/tests/test_reflective_cylinder/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_reflective_plane/results.py b/tests/test_reflective_plane/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_reflective_plane/results.py
+++ b/tests/test_reflective_plane/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_reflective_sphere/results.py b/tests/test_reflective_sphere/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_reflective_sphere/results.py
+++ b/tests/test_reflective_sphere/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_resonance_scattering/results.py b/tests/test_resonance_scattering/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_resonance_scattering/results.py
+++ b/tests/test_resonance_scattering/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_rotation/results.py b/tests/test_rotation/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_rotation/results.py
+++ b/tests/test_rotation/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_salphabeta/results.py b/tests/test_salphabeta/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_salphabeta/results.py
+++ b/tests/test_salphabeta/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_salphabeta_multiple/results.py b/tests/test_salphabeta_multiple/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_salphabeta_multiple/results.py
+++ b/tests/test_salphabeta_multiple/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_MT/results.py b/tests/test_score_MT/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_MT/results.py
+++ b/tests/test_score_MT/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_absorption/results.py b/tests/test_score_absorption/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_absorption/results.py
+++ b/tests/test_score_absorption/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_current/results.py b/tests/test_score_current/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_current/results.py
+++ b/tests/test_score_current/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_events/results.py b/tests/test_score_events/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_events/results.py
+++ b/tests/test_score_events/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_fission/results.py b/tests/test_score_fission/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_fission/results.py
+++ b/tests/test_score_fission/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_flux/results.py b/tests/test_score_flux/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_flux/results.py
+++ b/tests/test_score_flux/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_flux_yn/results.py b/tests/test_score_flux_yn/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_flux_yn/results.py
+++ b/tests/test_score_flux_yn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_kappafission/results.py b/tests/test_score_kappafission/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_kappafission/results.py
+++ b/tests/test_score_kappafission/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_nufission/results.py b/tests/test_score_nufission/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_nufission/results.py
+++ b/tests/test_score_nufission/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_nuscatter/results.py b/tests/test_score_nuscatter/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_nuscatter/results.py
+++ b/tests/test_score_nuscatter/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_nuscatter_n/results.py b/tests/test_score_nuscatter_n/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_nuscatter_n/results.py
+++ b/tests/test_score_nuscatter_n/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_nuscatter_pn/results.py b/tests/test_score_nuscatter_pn/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_nuscatter_pn/results.py
+++ b/tests/test_score_nuscatter_pn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_nuscatter_yn/results.py b/tests/test_score_nuscatter_yn/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_nuscatter_yn/results.py
+++ b/tests/test_score_nuscatter_yn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_scatter/results.py b/tests/test_score_scatter/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_scatter/results.py
+++ b/tests/test_score_scatter/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_scatter_n/results.py b/tests/test_score_scatter_n/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_scatter_n/results.py
+++ b/tests/test_score_scatter_n/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_scatter_pn/results.py b/tests/test_score_scatter_pn/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_scatter_pn/results.py
+++ b/tests/test_score_scatter_pn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_scatter_yn/results.py b/tests/test_score_scatter_yn/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_scatter_yn/results.py
+++ b/tests/test_score_scatter_yn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_total/results.py b/tests/test_score_total/results.py
index 93371960ae..fd27b041a2 100644
--- a/tests/test_score_total/results.py
+++ b/tests/test_score_total/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_score_total_yn/results.py b/tests/test_score_total_yn/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_score_total_yn/results.py
+++ b/tests/test_score_total_yn/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_seed/results.py b/tests/test_seed/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_seed/results.py
+++ b/tests/test_seed/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_source_angle_mono/results.py b/tests/test_source_angle_mono/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_source_angle_mono/results.py
+++ b/tests/test_source_angle_mono/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_source_energy_maxwell/results.py b/tests/test_source_energy_maxwell/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_source_energy_maxwell/results.py
+++ b/tests/test_source_energy_maxwell/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_source_energy_mono/results.py b/tests/test_source_energy_mono/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_source_energy_mono/results.py
+++ b/tests/test_source_energy_mono/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_source_file/results.py b/tests/test_source_file/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_source_file/results.py
+++ b/tests/test_source_file/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_source_point/results.py b/tests/test_source_point/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_source_point/results.py
+++ b/tests/test_source_point/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_sourcepoint_batch/results.py b/tests/test_sourcepoint_batch/results.py
index 96984b2fae..1f9f4f1a8d 100644
--- a/tests/test_sourcepoint_batch/results.py
+++ b/tests/test_sourcepoint_batch/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_sourcepoint_interval/results.py b/tests/test_sourcepoint_interval/results.py
index 96984b2fae..1f9f4f1a8d 100644
--- a/tests/test_sourcepoint_interval/results.py
+++ b/tests/test_sourcepoint_interval/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_sourcepoint_latest/results.py b/tests/test_sourcepoint_latest/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_sourcepoint_latest/results.py
+++ b/tests/test_sourcepoint_latest/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_sourcepoint_restart/results.py b/tests/test_sourcepoint_restart/results.py
index f4c32a893f..fa385bc37f 100644
--- a/tests/test_sourcepoint_restart/results.py
+++ b/tests/test_sourcepoint_restart/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_statepoint_batch/results.py b/tests/test_statepoint_batch/results.py
index 112c005167..39f6af12f2 100644
--- a/tests/test_statepoint_batch/results.py
+++ b/tests/test_statepoint_batch/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_statepoint_interval/results.py b/tests/test_statepoint_interval/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_statepoint_interval/results.py
+++ b/tests/test_statepoint_interval/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_statepoint_restart/results.py b/tests/test_statepoint_restart/results.py
index dd9dedd035..b5daa76874 100644
--- a/tests/test_statepoint_restart/results.py
+++ b/tests/test_statepoint_restart/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_statepoint_sourcesep/results.py b/tests/test_statepoint_sourcesep/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_statepoint_sourcesep/results.py
+++ b/tests/test_statepoint_sourcesep/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_survival_biasing/results.py b/tests/test_survival_biasing/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_survival_biasing/results.py
+++ b/tests/test_survival_biasing/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_tally_assumesep/results.py b/tests/test_tally_assumesep/results.py
index 3cba794205..9b283b63a3 100644
--- a/tests/test_tally_assumesep/results.py
+++ b/tests/test_tally_assumesep/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_tally_nuclides/results.py b/tests/test_tally_nuclides/results.py
index 3aa0946a5d..4f155fb0f9 100644
--- a/tests/test_tally_nuclides/results.py
+++ b/tests/test_tally_nuclides/results.py
@@ -4,7 +4,7 @@ import sys
 import numpy as np
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_trace/results.py b/tests/test_trace/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_trace/results.py
+++ b/tests/test_trace/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_translation/results.py b/tests/test_translation/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_translation/results.py
+++ b/tests/test_translation/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_uniform_fs/results.py b/tests/test_uniform_fs/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_uniform_fs/results.py
+++ b/tests/test_uniform_fs/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_universe/results.py b/tests/test_universe/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_universe/results.py
+++ b/tests/test_universe/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file
diff --git a/tests/test_void/results.py b/tests/test_void/results.py
index 8ff10971cd..be13ee66f1 100644
--- a/tests/test_void/results.py
+++ b/tests/test_void/results.py
@@ -3,7 +3,7 @@
 import sys
 
 # import statepoint
-sys.path.append('../../src/utils')
+sys.path.insert(0, '../../src/utils')
 import statepoint
 
 # read in statepoint file