Small additions:

theano/gof/tests/test_wrapper.py

@@ -104,6 +104,7 @@ class TestWrapper(TestCase):
         w1 = Wrap(a=1, b='test string', array=numpy.asarray([1, 2, 4, 5, 7]), floatting=-4.5, npy_scalar=numpy.asarray(12))
         w2 = Wrap(a=1, b='test string', array=numpy.asarray([1, 2, 4, 5, 7]), floatting=-4.5, npy_scalar=numpy.asarray(12))
         assert w1 == w2
+        assert not (w1 != w2)
         assert hash(w1) == hash(w2)
         assert all(hasattr(w1, key) for key in ('a', 'b', 'array', 'floatting', 'npy_scalar'))
         # Changing attributes names only.
@@ -127,6 +128,7 @@ class TestWrapper(TestCase):
                      a2=TensorType('int64', (False, True, False, False, True)),
                      a3=Generic())
         assert w1 == w2
+        assert not (w1 != w2)
         assert hash(w1) == hash(w2)
         assert w1.name == w2.name
         # Changing attributes names only.

theano/gof/wrapper.py

@@ -103,7 +103,7 @@ class Wrap(dict):
         for k in self:
             if k not in other or not (isinstance(self[k], type(other[k])) and isinstance(other[k], type(self[k]))):
                 return False
-            if isinstance(self[k], numpy.ndarray) or isinstance(other[k], numpy.ndarray):
+            if isinstance(self[k], numpy.ndarray):
                 if not numpy.allclose(self[k], other[k]):
                     return False
             elif self[k] != other[k]: