Tim Marx writes:
> "/var/tmp/mailman/mailman-bundler/eggs/zope.component-4.2.1-py2.7.egg/zope/component/__init__.py",
>
> line 19, in <module>
> from zope.interface import named
> ImportError: cannot import name named
> ---------------------------------------------------------------------------------------
> I have already found out, that this error occurs in zope.interface <
> 4.1.0, but I've definitly installed version 4.1.1.
> One interesting fact is, when I start the Django development server
> (with activated virtualenv) with './bin/mailman-web-django-admin
> runserver' this error doesn't occur.
I think you may have answered your own question. Try starting a new
shell (to get out of the virtualenv) and typing "./bin/python" (or
wherever the virtualenv python lives) at the shell prompt, then
>>> import zope.interface
>>> from zope.interface import named
If the first succeeds but the second doesn't, you have another
zope.interface on your PYTHON_PATH. You need to ensure that Apache
and mod_wsgi see zope.interface version 4.1.1, not the other one.
I cheat, I have a virtualenv that manipulates the system site-packages
because I don't care about anything but Mailman. However, you should
be careful that you don't have packages that depend incompatibly on an
earlier version of zope.interface.
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