old_contents: #!/usr/bin/env python
  
  from distutils.core import setup
  
  setup(name='dtargs',
        version='0.1.0',
        description='Date/time types for Argparse',
        author='Peter Marsh',
        author_email='pete.d.marsh@gmail.com',
        py_modules=['dtargs'])
  
new_contents: #!/usr/bin/env python
  
  from distutils.core import setup
  
  setup(name='dtargs',
        version='0.1.0',
        description='Date/time types for Argparse',
        author='Peter Marsh',
        author_email='pete.d.marsh@gmail.com',
        py_modules=['dtargs'],
        install_requires=['pytz'])
  
subject: Add dependency on pytz