matplotlib/matplotlib — comment on commit 503367f297cb4c2dba8fffec485f7580934ecea2
File: lib/matplotlib/type1font.py line 194
By leejjoon:

@mdboom: I don't think this change is compatible with python 2.x.
In python 2.x, filtered is a list, and the "next" function in line 198 fails. Maybe we can just revert this change?