PEP8

theano/sandbox/cuda/__init__.py

-import atexit, logging, os, stat, sys, shutil
+import atexit, logging, os, shutil, stat, sys
 from theano.compile import optdb
 from theano.gof.cmodule import get_lib_extension
 from theano.configparser import config, AddConfigVar, StrParam
@@ -122,8 +122,8 @@ if cuda_available:
     try:
         open(libcuda_ndarray_so).close()
     except IOError:
-        if sys.platform=="win32":
-		    # The Python os module does not support symlinks on win32.
+        if sys.platform == "win32":
+            # The Python `os` module does not support symlinks on win32.
             shutil.copyfile(cuda_ndarray_so, libcuda_ndarray_so)
         else:
             os.symlink(cuda_ndarray_so, libcuda_ndarray_so)

theano/sandbox/cuda/nvcc_compiler.py

@@ -164,12 +164,12 @@ def nvcc_module_compile_str(
     if config.nvcc.compiler_bindir:
         cmd.extend(['--compiler-bindir', config.nvcc.compiler_bindir])
 
-    if sys.platform=='win32':
+    if sys.platform == 'win32':
         # add flags for Microsoft compiler to create .pdb files
         preargs2.append('/Zi')
         cmd.extend(['-Xlinker', '/DEBUG'])
 
-    if sys.platform!='win32':
+    if sys.platform != 'win32':
         if local_bitwidth() == 64:
             cmd.append('-m64')
             preargs2.append('-m64')
@@ -185,7 +185,7 @@ def nvcc_module_compile_str(
         if sys.platform != 'darwin':
             # the 64bit CUDA libs are in the same files as are named by the function above
             rpaths.append(os.path.join(config.cuda.root,'lib64'))
-    if sys.platform!="win32":
+    if sys.platform != 'win32':
         # the -rpath option is not understood by the Microsoft linker
         for rpath in rpaths:
             cmd.extend(['-Xlinker',','.join(['-rpath',rpath])])