old_contents: from setuptools import setup, find_packages
  
  setup(
    name='mymodule',
    version='1.0',
    packages=find_packages(exclude=['tests']),
    install_requires=[
      'flask==0.12',
      'six'
    ],
  )
  
new_contents: from setuptools import setup, find_packages
  
  
  setup(
    name='mymodule',
    use_scm_version=True,
    setup_requires=[
      'setuptools_scm',
    ],
    packages=find_packages(exclude=['tests']),
    install_requires=[
      'flask==0.12',
      'six==1.10.0',
    ],
  )
  
subject: Use setuptools_scm for package_versioning.