Fixing setuptools "TypeError: swig_sources()" error

By Stuart Colville in Python on

I was trying to update to a newer version of Jinja2 on osx to meet Zine dependencies and I got the following error: Traceback (most recent call last): […snip…] File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/setuptools/command/build_ext.py", line 77,…