ipython/ipython — pull request #1933 by bfroehle (2012-06-12 22:36:54+00:00)
Title: oinspect.find_file: Additional safety if file cannot be found.

In some code paths, e.g. when introspecting fortran objects generated by f2py, `oinspect.find_file` will raise an UnboundLocalError. Prevent this by setting fname to None.