pep8 changes

theano/tensor/signal/downsample.py

@@ -286,9 +286,8 @@ class DownsampleFactorMax(Op):
                                         ignore_border=self.ignore_border,
                                         st=self.st, padding=self.padding)(
                                             x, maxout, gz)]
+
     def c_headers(self):
-        #import ipdb; ipdb.set_trace()
-        #libs = super(DownsampleFactorMax, self).c_headers()
         return ['<algorithm>']
 
     def c_code(self, node, name, inp, out, sub):
@@ -303,7 +302,6 @@ class DownsampleFactorMax(Op):
         int typenum = PyArray_ObjectType((PyObject*)%(x)s, 0);
         int z_r, z_c; // shape of the output
         int r, c; // shape of the padded_input
-        
         if(PyArray_NDIM(%(x)s)!=4)
         {
             PyErr_SetString(PyExc_ValueError, "x must be a 4d ndarray");
@@ -406,7 +404,8 @@ class DownsampleFactorMax(Op):
         """ % locals()
 
     def c_code_cache_version(self):
-        return (0,5)
+        return (0, 5)
+
 
 class DownsampleFactorMaxGrad(Op):
     __props__ = ('ds', 'ignore_border', 'st', 'padding')