old_contents: #!/usr/bin/env python
  # coding: utf-8
  
  from distutils.core import setup
  
  setup(
      name="PyFME",
      version="0.1.dev0",
      packages=[
          'pyfme',
          'pyfme.aero',
          'pyfme.aircrafts',
          'pyfme.environment',
          'pyfme.models',
          'pyfme.prop',
          'pyfme.utils'
      ],
      package_dir={'': 'src'},
  )
  
new_contents: #!/usr/bin/env python
  # coding: utf-8
  
  from setuptools import setup, find_packages
  
  setup(
      name="PyFME",
      version="0.1.dev0",
      packages=find_packages('src'),
      package_dir={'': 'src'},
  )
  
subject: Switch to setuptools