id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc	branch	branch_author	launchpad_bug
5935	zope 3.6 now required but if you find that out at runtime you are in for a nasty surprise	glyph	exarkun	"If you happen to have Zope Interface 3.5.1 - which, I should note, is the version included with just about every release of OS X people are now using, you get this error:

{{{
File "".../twisted/application/reactors.py"", line 12, in <module>
    from twisted.plugin import IPlugin, getPlugins
  File "".../twisted/plugin.py"", line 34, in <module>
    from twisted.python.modules import getModule
  File "".../twisted/python/modules.py"", line 68, in <module>
    from twisted.python.filepath import FilePath, UnlistableError
  File "".../twisted/python/filepath.py"", line 555, in <module>
    class FilePath(AbstractFilePath):
  File "".../zope/interface/declarations.py"", line 495, in __call__
    raise TypeError(""Can't use implementer with classes.  Use one of ""
TypeError: Can't use implementer with classes.  Use one of the class-declaration functions instead.
}}}

It should instead say something like ""You need Zope Interface at least 3.6 (but ideally earlier than 4.0 unless you want to see warnings...)"" so the user knows what to fix."	defect	closed	normal	Python 3.3 Minimal	core	fixed		thijs	branches/check-zi-version-5935-2	exarkun