Issue #151 resolved

DeprecationWarning: imp.get_suffixes() is deprecated

David Trail
created an issue

I'm getting the warning message

cffi/verifier.py:226: DeprecationWarning: imp.get_suffixes() is deprecated; use the constants defined on importlib.machinery instead
  for suffix, mode, type in imp.get_suffixes():

This is on python 3.3.