gak/pycallgraph — pull request #134 by atodorov (2014-11-06 09:15:15+00:00)
Title: Fix .format() to work with older Python versions

This fix makes it possible to execute:
pycallgraph graphviz -o calls.png -f png -- ./myscript.py

on Python 2.6.6.

There are probably other places which need patches but haven't bumped into them yet!