old_contents: from distutils.core import setup
  
  setup(
      name='LightMatchingEngine',
      version='0.1.2',
      author='Gavin Chan',
      author_email='gavincyi@gmail.com',
      packages=['lightmatchingengine'],
      url='http://pypi.python.org/pypi/LightMatchingEngine/',
      license='LICENSE.txt',
      description='A light matching engine.'
      )
new_contents: from setuptools import setup
  
  setup(
      name='LightMatchingEngine',
      use_scm_version=True,
      setup_requires=['setuptools_scm'],
      author='Gavin Chan',
      author_email='gavincyi@gmail.com',
      packages=['lightmatchingengine'],
      url='http://pypi.python.org/pypi/LightMatchingEngine/',
      license='LICENSE.txt',
      description='A light matching engine.'
  )
  
subject: Update to use scm for versioning