pep8

theano/gof/cmodule.py

@@ -1440,8 +1440,8 @@ class ModuleCache(object):
         for filename in os.listdir(self.dirname):
             if filename.startswith('tmp'):
                 try:
-                    open(os.path.join(self.dirname, filename, 'key.pkl')
-                    ).close()
+                    fname = os.path.join(self.dirname, filename, 'key.pkl')
+                    open(fname).close()
                     has_key = True
                 except IOError:
                     has_key = False