bitprophet/ssh — pull request #24 by alex-morega (2012-04-19 20:15:40+00:00)
Title: safe type checking (isinstance instead of type-is)

Useful when handling remote paths with [path.py](http://pypi.python.org/pypi/path.py), which provides an object-oriented API similar to os.path. Its `path` class is a subclass of `str`.