old_contents: import setuptools
  
  from eventkit import __version__
  
  setuptools.setup(
      name='eventkit',
      version=__version__,
      packages=setuptools.find_packages(),
      install_requires=[
          'coverage',
          'croniter',
          'django-dynamic-fixture',
          'django-nose',
          'django-polymorphic',
          'django-webtest',
          'mkdocs',
          'nose-progressive',
          'pytz',
          'tox',
          'WebTest',
      ],
  )
  
new_contents: import setuptools
  
  from eventkit import __version__
  
  setuptools.setup(
      name='eventkit',
      version=__version__,
      packages=setuptools.find_packages(),
      install_requires=[
          'coverage',
          'croniter',
          'django-dynamic-fixture',
          'django-nose',
          'django-polymorphic',
          'django-webtest',
          'mkdocs',
          'nose-progressive',
          'pytz',
          'tox',
          'WebTest',
      ],
      extras_require={
          'dev': ['ipdb', 'ipython'],
          'postgres': ['psycopg2'],
      },
  )
  
subject: Add dependencies for `dev` and `postgres` extras.