small pep8

theano/tensor/tests/test_extra_ops.py

 from __future__ import absolute_import, print_function, division
-from functools import partial
 
 import numpy as np
 

theano/tests/test_flake8.py

@@ -62,7 +62,6 @@ whitelist_flake8 = [
     "tensor/tests/test_sort.py",
     "tensor/tests/test_raw_random.py",
     "tensor/tests/test_xlogx.py",
-    "tensor/tests/test_extra_ops.py",
     "tensor/tests/test_slinalg.py",
     "tensor/tests/test_blas_c.py",
     "tensor/tests/test_blas_scipy.py",