Fix flake8 indent errors.

theano/gpuarray/tests/test_dnn.py

@@ -1049,10 +1049,10 @@ def get_conv3d_test_cases():
 
     if dnn.version() >= 6000:
         test_shapes.extend([
-               [(8, 1, 20, 12, 15), (5, 1, 6, 3, 4), (1, 1, 2), (3, 2, 1)],
-               [(8, 1, 20, 12, 15), (5, 1, 6, 3, 4), (2, 2, 1), (1, 2, 3)]])
+            [(8, 1, 20, 12, 15), (5, 1, 6, 3, 4), (1, 1, 2), (3, 2, 1)],
+            [(8, 1, 20, 12, 15), (5, 1, 6, 3, 4), (2, 2, 1), (1, 2, 3)]])
         test_shapes_full.append(
-                    [(6, 2, 2, 2, 2), (4, 2, 5, 5, 5), (1, 1, 1), (3, 2, 1)])
+            [(6, 2, 2, 2, 2), (4, 2, 5, 5, 5), (1, 1, 1), (3, 2, 1)])
 
     border_modes = ['valid', 'full', 'half', (1, 2, 3), (3, 2, 1), 1, 2]
     conv_modes = ['conv', 'cross']