old_contents: import sys
  import setuptools
  
  from pbr import util
  
  setuptools.setup(
  	setup_requires=['pbr'],
  	pbr=True,
  )
  
new_contents: #!/usr/bin/env python
  
  from setuptools import setup
  
  setuptools.setup(
  	setup_requires=['pbr'],
  	pbr=True,
  )
  
subject: Fix setup (no need of importing pbr in this file)