old_contents: #!/usr/bin/env python
  # coding: utf-8
  #
  # Licensed under MIT
  #
  
  import setuptools
  setuptools.setup(
      setup_requires=['pbr'], python_requires='>=2.7,>=3.4,!=3.7.*', pbr=True)
  
new_contents: #!/usr/bin/env python
  # coding: utf-8
  #
  # Licensed under MIT
  #
  
  import setuptools
  setuptools.setup(
      setup_requires=['pbr'], python_requires='>=2.7,!=3.7.*', pbr=True)
  
subject: fix python requires