old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from __future__ import with_statement
  
  from setuptools import setup, find_packages
  
  import os
  import setuptools
  
  
  # Fix for debian 7 python that raise error on at_exit at the end of setup.py
  # (cf http://bugs.python.org/issue15881)
  try:
      import multiprocessing
  except ImportError:
      pass
  
  
  # Better to use exec to load the VERSION from alignak/bin/__init__
  # so to not have to import the alignak package:
  VERSION = "unknown"
  ver_file = os.path.join('alignakbackend_api_client',
                          '__init__.py')
  with open(ver_file) as fh:
      exec(fh.read())
  
  os.environ['PBR_VERSION'] = VERSION
  
  packages = find_packages()
  setuptools.setup(
      setup_requires=['pbr'],
      packages=packages,
      version=VERSION,
      namespace_packages=['alignakbackend_api_client'],
      pbr=True,
  )
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import setuptools
  
  setuptools.setup(
      setup_requires=['pbr'],
      pbr=True,
  )
  
subject: Fix setup