twilio/flask-restful — pull request #51 by mtasic85 (2013-03-03 19:16:17+00:00)
Title: setup.py optionaly require crypto module

I use flask on pypy.
However I cannot build pycrypto for pypy.
As I can see, only paging.py requires utils/crypto.py module.
I created "optional-pycrypto" branch that only changes setup.py file.