Fix code review comment

theano/tensor/extra_ops.py

@@ -726,7 +726,7 @@ def repeat(x, repeats, axis=None):
         if repeats.ndim == 1:
             repeats = repeats[0]
 
-        if x.dtype == ('uint64',):
+        if x.dtype == 'uint64':
             raise TypeError("theano.tensor.repeat don't support dtype uint64")
 
         if axis is None:

theano/tensor/tests/test_extra_ops.py

@@ -423,9 +423,8 @@ class TestRepeatOp(utt.InferShapeTester):
                 for dtype in tensor.discrete_dtypes:
                     r_var = T.scalar(dtype=dtype)
                     r = numpy.asarray(3, dtype=dtype)
-                    if (dtype in self.numpy_unsupported_dtypes and
-                        # uint64 is always not implemented
-                        (r_var.ndim == 1 or dtype == 'uint64')):
+                    if (dtype == 'uint64' or
+                        (dtype in self.numpy_unsupported_dtypes and r_var.ndim == 1)):
                         self.assertRaises(TypeError,
                                 repeat, x, r_var, axis=axis)
                     else: