fnoble/python-progressbar — pull request #1 by rflrob (2012-12-04 20:48:40+00:00)
Title: Check for KeyError to work with IPython on command line

IPython from the command line does not apparently have anything in
config['KernelApp'], so the lack of 'parent_appname' key throws a KeyError,
which we can just ignore and pretend that we don't have IPython at all.