old_contents: #!/usr/bin/env python
  # coding: utf-8
  
  # Copyright (c) Juptyer Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  #-----------------------------------------------------------------------------
  # Minimal Python version sanity check (from IPython/Jupyterhub)
  #-----------------------------------------------------------------------------
  from __future__ import print_function
  
  import os
  import sys
  
  v = sys.version_info
  if v[:2] < (3,3):
      error = "ERROR: Jupyter Hub requires Python version 3.3 or above."
      print(error, file=sys.stderr)
      sys.exit(1)
  
  
  if os.name in ('nt', 'dos'):
      error = "ERROR: Windows is not supported"
      print(error, file=sys.stderr)
  
  # At least we're on the python version we need, move on.
  
  from distutils.core import setup
  
  pjoin = os.path.join
  here = os.path.abspath(os.path.dirname(__file__))
  
  # Get the current package version.
  version_ns = {}
  with open(pjoin(here, 'oauthenticator', '_version.py')) as f:
      exec(f.read(), {}, version_ns)
  
  
  setup_args = dict(
      name                = 'oauthenticator',
      packages            = ['oauthenticator'],
      version             = version_ns['__version__'],
      description         = """OAuthenticator: Authenticate JupyterHub users with common OAuth providers.""",
      long_description    = "Adds support for JupyterHub authenticating with OAuth providers, including GitHub, Bitbucket, and more.",
      author              = "Jupyter Development Team",
      author_email        = "jupyter@googlegroups.com",
      url                 = "https://jupyter.org",
      license             = "BSD",
      platforms           = "Linux, Mac OS X",
      keywords            = ['Interactive', 'Interpreter', 'Shell', 'Web'],
      classifiers         = [
          'Intended Audience :: Developers',
          'Intended Audience :: System Administrators',
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: BSD License',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
      ],
  )
  
  # setuptools requirements
  if 'setuptools' in sys.modules:
      setup_args['install_requires'] = install_requires = []
      with open('requirements.txt') as f:
          for line in f.readlines():
              req = line.strip()
              if not req or req.startswith(('-e', '#')):
                  continue
              install_requires.append(req)
  
  
  def main():
      setup(**setup_args)
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  # coding: utf-8
  
  # Copyright (c) Juptyer Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  #-----------------------------------------------------------------------------
  # Minimal Python version sanity check (from IPython/Jupyterhub)
  #-----------------------------------------------------------------------------
  from __future__ import print_function
  
  import os
  import sys
  
  v = sys.version_info
  if v[:2] < (3,3):
      error = "ERROR: Jupyter Hub requires Python version 3.3 or above."
      print(error, file=sys.stderr)
      sys.exit(1)
  
  
  if os.name in ('nt', 'dos'):
      error = "ERROR: Windows is not supported"
      print(error, file=sys.stderr)
  
  # At least we're on the python version we need, move on.
  
  from distutils.core import setup
  
  pjoin = os.path.join
  here = os.path.abspath(os.path.dirname(__file__))
  
  # Get the current package version.
  version_ns = {}
  with open(pjoin(here, 'oauthenticator', '_version.py')) as f:
      exec(f.read(), {}, version_ns)
  
  
  setup_args = dict(
      name                = 'oauthenticator',
      packages            = ['oauthenticator'],
      version             = version_ns['__version__'],
      description         = """OAuthenticator: Authenticate JupyterHub users with common OAuth providers.""",
      long_description    = "Adds support for JupyterHub authenticating with OAuth providers, including GitHub, Bitbucket, and more.",
      author              = "Jupyter Development Team",
      author_email        = "jupyter@googlegroups.com",
      url                 = "https://jupyter.org",
      license             = "BSD",
      platforms           = "Linux, Mac OS X",
      keywords            = ['Interactive', 'Interpreter', 'Shell', 'Web'],
      classifiers         = [
          'Intended Audience :: Developers',
          'Intended Audience :: System Administrators',
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: BSD License',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
      ],
  )
  
  if 'bdist_wheel' in sys.argv:
      import setuptools
  
  # setuptools requirements
  if 'setuptools' in sys.modules:
      setup_args['install_requires'] = install_requires = []
      with open('requirements.txt') as f:
          for line in f.readlines():
              req = line.strip()
              if not req or req.startswith(('-e', '#')):
                  continue
              install_requires.append(req)
  
  
  def main():
      setup(**setup_args)
  
  if __name__ == '__main__':
      main()
  
subject: add bdist_wheel