old_contents: #!/usr/bin/env python
  
  from distutils.core import setup
  
  setup(
      name='pygow',
      version='0.4',
      description='Functional data structures for Python',
      url='https://github.com/udacity/pygow',
      py_modules=[
          'pygow.maybe',
          'pygow.validation',
      ],
      author='James Earl Douglas',
      author_email='james@earldouglas.com',
  )
  
new_contents: #!/usr/bin/env python
  
  from distutils.core import setup
  
  setup(
      name='pygow',
      version='0.5',
      description='Functional data structures for Python',
      url='https://github.com/udacity/pygow',
      py_modules=[
          'pygow.maybe',
          'pygow.validation',
      ],
      author='James Earl Douglas',
      author_email='james@earldouglas.com',
  )
  
subject: Set version to 0.5