matplotlib/matplotlib — pull request #1174 by NelleV (2012-08-30 10:10:08+00:00)
Title: closes #1173 - backporting python2.7 subprocess's check_output to be abl...

...e to support python 2.6

I've added a new module called utils, in which I copy pasted the python2.7 subprocess check_output method. If the subprocess module has it (python 2.7 and above) it will use the stdlib version. Else, it will used the copy pasted 2.7 version.

I then modified the pgf's backend to use this method instead of the one provided in subprocess.

this patch closes #1173