Make raise_op pass flake8 + spread the gospel of __props__

theano/raise_op.py

 """Symbolic Op for raising an exception."""
 
+from theano import gof
+
 __authors__ = "James Bergstra"
 __copyright__ = "(c) 2011, Universite de Montreal"
 __license__ = "3-clause BSD License"
 __contact__ = "theano-dev <theano-dev@googlegroups.com>"
 
 __docformat__ = "restructuredtext en"
-from theano import gof
 
 
 class Raise(gof.Op):
     """Op whose perform() raises an exception.
     """
+    __props__ = ('msg', 'exc')
+
     def __init__(self, msg="", exc=NotImplementedError):
         """
         msg - the argument to the exception
@@ -20,16 +23,6 @@ class Raise(gof.Op):
         self.msg = msg
         self.exc = exc
 
-    def __eq__(self, other):
-        # Note: the msg does not technically have to be in the hash and eq
-        # because it doesn't affect the return value.
-        return (type(self) == type(other)
-                and self.msg == other.msg
-                and self.exc == other.exc)
-
-    def __hash__(self):
-        return hash((type(self), self.msg, self.exc))
-
     def __str__(self):
         return "Raise{%s(%s)}" % (self.exc, self.msg)
 

theano/tests/test_flake8.py

@@ -323,7 +323,6 @@ whitelist_flake8 = [
     "gof/sandbox/equilibrium.py",
     "sandbox/cuda/opt_util.py",
     "gof/tests/test_utils.py",
-    "raise_op.py",
     "tests/test_flake8.py",
     "misc/pkl_utils.py",
     "sandbox/cuda/tests/test_cula.py",