Remove __ne__ methods (default is correct in Python 3)

openmc/filter.py

@@ -119,9 +119,6 @@ class Filter(IDManagerMixin, metaclass=FilterMeta):
         else:
             return np.allclose(self.bins, other.bins)
 
-    def __ne__(self, other):
-        return not self == other
-
     def __gt__(self, other):
         if type(self) is not type(other):
             if self.short_name in _FILTER_TYPES and \

openmc/mgxs/groups.py

@@ -57,9 +57,6 @@ class EnergyGroups:
         else:
             return False
 
-    def __ne__(self, other):
-        return not self == other
-
     def __hash__(self):
         return hash(tuple(self.group_edges))
 

openmc/mixin.py

@@ -21,9 +21,6 @@ class EqualityMixin:
 
         return True
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
 
 class IDWarning(UserWarning):
     pass

openmc/region.py

@@ -41,9 +41,6 @@ class Region(metaclass=ABCMeta):
         else:
             return str(self) == str(other)
 
-    def __ne__(self, other):
-        return not self == other
-
     def get_surfaces(self, surfaces=None):
         """Recursively find all surfaces referenced by a region and return them
 

openmc/trigger.py

@@ -38,9 +38,6 @@ class Trigger:
     def __eq__(self, other):
         return str(self) == str(other)
 
-    def __ne__(self, other):
-        return not self == other
-
     def __repr__(self):
         string = 'Trigger\n'
         string += '{0: <16}{1}{2}\n'.format('\tType', '=\t', self._trigger_type)