Minor PEP8 fix.

theano/sandbox/linalg/tests/test_linalg.py

@@ -47,7 +47,7 @@ def check_upper_triangular(pd, ch_f):
 def test_cholesky():
     rng = numpy.random.RandomState(utt.fetch_seed())
     r = rng.randn(5, 5)
-    pd = numpy.dot(r,r.T)
+    pd = numpy.dot(r, r.T)
     x = tensor.matrix()
     chol = cholesky(x)
     # Check the default.