fixing flake8 for test_blas.py

theano/tests/test_flake8.py

@@ -51,7 +51,6 @@ whitelist_flake8 = [
     "tensor/tests/test_misc.py",
     "tensor/tests/mlp_test.py",
     "tensor/tests/test_opt_uncanonicalize.py",
-    "tensor/tests/test_blas.py",
     "tensor/tests/test_merge.py",
     "tensor/tests/test_gc.py",
     "tensor/tests/test_complex.py",