Docker: Switch i-Pi test to Python3

tools/docker/scripts/install_basics.sh

@@ -25,7 +25,7 @@ elif grep -q "Fedora" /etc/os-release ; then
         git                             \
         less                            \
         nano                            \
-	python3                         \
+        python3                         \
         rsync                           \
         wget
     dnf -q clean all

tools/docker/scripts/install_i-pi.sh

@@ -5,14 +5,14 @@
 # install Ubuntu packages
 apt-get update -qq
 apt-get install -qq --no-install-recommends \
-    python                                 \
-    python-pip                             \
-    python-wheel                           \
-    python-setuptools
+    python3                                 \
+    python3-pip                             \
+    python3-wheel                           \
+    python3-setuptools
 rm -rf /var/lib/apt/lists/*
 
 # install python packages
-pip install --quiet numpy
+pip3 install --quiet numpy
 
 # clone i-pi repository
 git clone --quiet --depth=1 --single-branch -b master https://github.com/i-pi/i-pi.git /opt/i-pi

tools/docker/scripts/test_i-pi.sh

@@ -21,7 +21,7 @@ fi
 echo -e "\n========== Installing i-Pi =========="
 cd /opt/i-pi
 git pull --quiet
-pip install --quiet .
+pip3 install --quiet .
 
 echo -e "\n========== Running i-Pi Tests =========="