First step to Python 3 compatibility "2to3 -w -f except ." See [1] [1] http://docs.python.org/2/library/2to3.html#fixers
The tests are intended to be run using Nose. http://somethingaboutorange.com/mrl/projects/nose/ To run tests, simply install nose, and then, in the eventlet tree, do: $ nosetests That's it! Its output is the same as unittest's output. It tends to emit a lot of tracebacks from various poorly-behaving tests, but they still (generally) pass.