depend on Zope2 to make this pip-installable

requirements.txt

+erp5flakes
+AccessControl==2.13.13
+Acquisition==2.13.9
+DateTime==2.12.8
+DocumentTemplate==2.13.2
+docutils==0.12
+ExtensionClass==2.13.2
+five.globalrequest==99.1
+five.localsitemanager==3.0.1
+initgroups==2.13.0
+Jinja2==2.7.3
+MarkupSafe==0.23
+mechanize==0.2.5
+Missing==2.13.1
+mr.developer==1.33
+MultiMapping==2.13.0
+Paste==1.7.5.1
+PasteDeploy==1.3.4
+PasteScript==1.7.5
+Persistence==2.13.2
+persistent==4.2.4.2
+Products.BTreeFolder2==2.13.5
+Products.CMFCore==2.3.1
+Products.DCWorkflow==2.2.4
+Products.ExternalMethod==2.13.1
+Products.GenericSetup==1.9.1
+Products.MailHost==2.13.2
+Products.MIMETools==2.13.0
+Products.OFSP==2.13.2
+Products.PythonScripts==2.13.2
+Products.StandardCacheManagers==2.13.1
+Products.ZCatalog==2.13.27
+Products.ZCTextIndex==2.13.5
+Products.ZSQLMethods==2.13.4
+pyflakes==1.5.0
+Pygments==2.0.2
+pytz==2015.4
+Record==2.13.0
+repoze.retry==1.2
+repoze.tm2==1.0
+repoze.who==2.0
+RestrictedPython==3.6.0
+six==1.10.0
+Sphinx==1.0.8
+tempstorage==2.12.2
+transaction==1.1.1
+z3c.checkversions==0.5
+zc.buildout==2.3.1
+zc.lockfile==1.0.2
+ZConfig==2.9.3
+zdaemon==2.0.7
+zExceptions==2.13.0
+zLOG==2.11.2
+ZODB3==3.10.5
+zope.annotation==3.5.0
+zope.broken==3.6.0
+zope.browser==1.3
+zope.browsermenu==3.9.1
+zope.browserpage==3.12.2
+zope.browserresource==3.10.3
+zope.component==3.9.5
+zope.configuration==3.7.4
+zope.container==3.11.2
+zope.contentprovider==3.7.2
+zope.contenttype==3.5.5
+zope.deferredimport==3.5.3
+zope.dottedname==3.4.6
+zope.event==3.5.2
+zope.exceptions==3.6.2
+zope.filerepresentation==3.6.1
+zope.globalrequest==1.4
+zope.i18n==3.7.4
+zope.i18nmessageid==3.5.3
+zope.interface==3.6.7
+zope.lifecycleevent==3.6.2
+zope.location==3.9.1
+zope.pagetemplate==3.5.2
+zope.processlifetime==1.0
+zope.proxy==3.6.1
+zope.ptresource==3.9.0
+zope.publisher==3.12.6
+zope.schema==3.7.1
+zope.security==3.7.4
+zope.sendmail==3.7.5
+zope.sequencesort==3.4.0
+zope.site==3.9.2
+zope.size==3.4.1
+zope.structuredtext==3.5.1
+zope.tal==3.5.2
+zope.tales==3.5.3
+zope.testbrowser==3.11.1
+zope.testing==3.9.7
+zope.traversing==3.13.2
+zope.viewlet==3.7.2
+Zope2==2.13.23
+ZopeUndo==2.12.0

setup.py

@@ -20,7 +20,10 @@ setup(
       "Programming Language :: Python",
       ],
     packages = ['erp5flakes'],
-    install_requires = ['pyflakes==0.3.0', ], # ZODB ERP5Type
+    install_requires = [
+      'pyflakes',
+      'Zope2'
+      ],
     entry_points = {'console_scripts':
        [ 'erp5flakes = erp5flakes:main',]},
   )