old_contents: #!/usr/bin/env python
  """How to release a new version: https://packaging.python.org/en/latest/distributing.html#uploading-your-project-to-pypi"""
  
  from businesstime import __version__
  
  from setuptools import find_packages, setup
  
  setup(
      name='businesstime',
      version=__version__,
      author='SeatGeek',
      author_email='hi@seatgeek.com',
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      url='http://github.com/seatgeek/businesstime',
      license=open('LICENSE.txt').read(),
      classifiers=[
          'Programming Language :: Python :: 2.7',
      ],
      description=
      'A simple utility for calculating business time aware timedeltas between two datetimes',
      long_description=open('README.rst').read() + '\n\n' +
      open('CHANGES.rst').read(),
      tests_require=['nose'],
      test_suite='nose.collector')
  
new_contents: #!/usr/bin/env python
  """How to release a new version: https://packaging.python.org/en/latest/distributing.html#uploading-your-project-to-pypi"""
  
  from businesstime import __version__
  
  from setuptools import find_packages, setup
  
  setup(
      name='businesstime',
      version=__version__,
      author='SeatGeek',
      author_email='hi@seatgeek.com',
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      url='http://github.com/seatgeek/businesstime',
      license=open('LICENSE.txt').read(),
      classifiers=[
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7'
      ],
      description=
      'A simple utility for calculating business time aware timedeltas between two datetimes',
      long_description=open('README.rst').read() + '\n\n' +
      open('CHANGES.rst').read(),
      tests_require=['nose'],
      test_suite='nose.collector')
  
subject: Update setup.py