extras/__init__.py

   1 from __future__ import absolute_import, division, print_function, unicode_literals
   2
   3 try:
   4     from setuptools.command.build import build as build_base
   5 except ImportError:
   6     try:
   7         from setuptools._distutils.command.build import build as build_base
   8     except ImportError:
   9         from distutils.command.build import build as build_base