flake8, fix test and remove redundant test.

theano/tensor/basic.py

@@ -4746,7 +4746,7 @@ class Reshape(Op):
     def __init__(self, ndim, name=None):
         self.ndim = ndim
         if ndim < 0:
-             raise ValueError("The output dimensions after reshape must be 0 or greater")
+            raise ValueError("The output dimensions after reshape must be 0 or greater")
         assert name is None, 'name attribute for Reshape has been deprecated'
 
     def __str__(self):

theano/tensor/tests/test_basic.py

@@ -7632,21 +7632,19 @@ class TestInferShape(utt.InferShapeTester):
         # Flatten
         atens3 = tensor3()
         atens3_val = rand(4, 5, 3)
-        self._compile_and_check([atens3],
-                                [flatten(atens3, 1)],
-                                [atens3_val], Reshape)
-
         for outdim in (3, 2, 1):
             self._compile_and_check([atens3],
                                     [flatten(atens3, outdim)],
-                                    [atens3_val], Reshape)
+                                    [atens3_val], Reshape,
+                                    excluding=['local_useless_reshape'])
 
         amat = matrix()
         amat_val = rand(4, 5)
         for outdim in (2, 1):
             self._compile_and_check([amat],
                                     [flatten(amat, outdim)],
-                                    [amat_val], Reshape)
+                                    [amat_val], Reshape,
+                                    excluding=['local_useless_reshape'])
 
         avec = vector()
         avec_val = rand(4)