trailing whitespaces and empty lines

theano/sandbox/linalg/tests/test_linalg.py

@@ -174,7 +174,6 @@ def test_inverse_singular():
         return
     assert False
 
-
 def test_inverse_grad():
     rng = numpy.random.RandomState(utt.fetch_seed())
     r = rng.randn(4, 4)