Flake8 the code.

setup.cfg

@@ -4,5 +4,5 @@ ignore =
     bootstrap.py
 
 [flake8]
-ignore = N801,N802,N803,N805,N806,N812,E301
+ignore = E301
 exclude = bootstrap.py

src/Products/PythonScripts/PythonScript.py

@@ -20,18 +20,15 @@
 import marshal
 import os
 import re
-import six
 from six.moves.urllib.parse import quote
 import sys
-import traceback
 from types import FunctionType
 
 from AccessControl.class_init import InitializeClass
 from AccessControl.requestmethod import requestmethod
 from AccessControl.SecurityInfo import ClassSecurityInfo
 from AccessControl.SecurityManagement import getSecurityManager
 from AccessControl.ZopeGuards import get_safe_globals, guarded_getattr
-from AccessControl.ZopeGuards import get_safe_globals, guarded_getattr
 from Acquisition import aq_parent
 from App.Common import package_home
 from App.Dialogs import MessageDialog
@@ -175,7 +172,7 @@ def ZPythonScriptHTML_upload(self, REQUEST, file=''):
         if self.wl_isLocked():
             raise ResourceLockedError("The script is locked via WebDAV.")
 
-        if not instance(file, str):
+        if not isinstance(file, str):
             if not file:
                 raise ValueError('File not specified')
             file = file.read()
@@ -549,6 +546,7 @@ def document_src(self, REQUEST=None, RESPONSE=None):
             RESPONSE.setHeader('Content-Type', 'text/plain')
         return self.read()
 
+
 InitializeClass(PythonScript)
 
 

src/Products/PythonScripts/standard.py

@@ -108,4 +108,5 @@ def __hash__(self):
 def Object(**kw):
     return _Object(**kw)
 
+
 security.apply(globals())

src/Products/PythonScripts/tests/testBindings.py

@@ -94,6 +94,7 @@ def __repr__(self):
     def methodWithRoles(self):
         return 'method called'
 
+
 InitializeClass(FauxFolder)
 
 

tox.ini

@@ -1,5 +1,6 @@
 [tox]
 envlist =
+   flake8,
    py27,
    py34,
    py35,
@@ -14,3 +15,9 @@ skip_install = true
 deps =
     setuptools==33.1.1
     zc.buildout
+
+[testenv:flake8]
+basepython = python2.7
+deps = flake8
+skip_install = true
+commands = flake8 --doctests src setup.py