Pep8

theano/sparse/sandbox/sp2.py

-import theano
 import numpy
 import scipy.sparse
 
-from theano import gof, tensor, scalar, sparse
-from theano.tensor import blas
+from theano import gof, tensor
 
 from theano.sparse.basic import (
     as_sparse_variable, SparseType, add_s_s, neg,
@@ -41,6 +39,7 @@ from theano.sparse.opt import (
     local_mul_s_d, local_mul_s_v,
     local_structured_add_s_v, local_sampling_dot_csr)
 
+
 # Alias to maintain compatibility
 EliminateZeros = Remove0
 eliminate_zeros = remove0

theano/sparse/tests/test_sp2.py

-import time
 import unittest
 
 from nose.plugins.skip import SkipTest
 import numpy
 try:
     import scipy.sparse as sp
-    import scipy.sparse
 except ImportError:
     pass  # The variable enable_sparse will be used to disable the test file.