Update the whitelist to avoid reporting errors on _version.py

theano/tests/test_flake8.py

@@ -34,8 +34,8 @@ ignore = ('E501', 'E123', 'E133', 'FI12', 'FI14', 'FI15', 'FI16', 'FI17',
           'FI50', 'FI51', 'FI53')
 
 whitelist_flake8 = [
-    "compat/six.py",  # This is bundled code that will be deleted, don't fix it
     "__init__.py",
+    "_version.py",  # This is generated by versioneer
     "tests/__init__.py",
     "compile/__init__.py",
     "compile/sandbox/__init__.py",