flake8 of theano/scalar/basic_sympy.py

theano/scalar/basic_sympy.py

-import numpy as np
+import itertools as it
 
 from theano.scalar.basic import Apply, ScalarOp, as_scalar, float64, float32, int64
 from theano.gof.utils import remove
 
 imported_sympy = False
 try:
-    import sympy
     from sympy.utilities.codegen import get_default_datatype, codegen
     imported_sympy = True
 except ImportError:
     pass
 
-import itertools as it
-names = ("sympy_func_%d"%i for i in it.count(0))
+names = ("sympy_func_%d" % i for i in it.count(0))
 
 
 def include_line(line):
@@ -64,8 +62,8 @@ class SymPyCCode(ScalarOp):
     def c_headers(self):
         c_code = self._sympy_c_code()
         return [line.replace("#include", "").strip() for line in
-                c_code.split('\n') if include_line(line)
-                and not 'project_name' in line]
+                c_code.split('\n') if include_line(line) and
+                'project_name' not in line]
 
     def c_code(self, node, name, input_names, output_names, sub):
         y, = output_names
@@ -92,7 +90,7 @@ class SymPyCCode(ScalarOp):
     def grad(self, inputs, output_grads):
         return [SymPyCCode(self.inputs,
                            self.expr.diff(inp),
-                           name=self.name+"_grad_%d"%i)(*inputs)
+                           name=self.name + "_grad_%d" % i)(*inputs)
                 for i, inp in enumerate(self.inputs)]
 
     def _info(self):

theano/tests/test_flake8.py

@@ -114,7 +114,6 @@ whitelist_flake8 = [
     "tensor/nnet/tests/test_conv3d.py",
     "tensor/nnet/tests/speed_test_conv.py",
     "tensor/nnet/tests/test_sigm.py",
-    "scalar/basic_sympy.py",
     "scalar/__init__.py",
     "scalar/tests/test_basic.py",
     "sandbox/test_theano_object.py",