old_contents: import versioneer
  
  from setuptools import setup, find_packages
  
  setup(
      name='domain-event-broker',
      version=versioneer.get_version(),
      cmdclass=versioneer.get_cmdclass(),
      description='Send and receive domain events via RabbitMQ',
      author='Ableton AG',
      author_email='webteam@ableton.com',
      url='https://github.com/AbletonAG/domain-event-broker',
      license='MIT',
      packages=find_packages(),
      install_requires=["pika >= 1.0.0"],
      tests_require=["pytest >= 3.6.0", "mock"],
      zip_safe=False,
  )
  
new_contents: import versioneer
  
  from setuptools import setup, find_packages
  
  setup(
      name='domain-event-broker',
      version=versioneer.get_version(),
      cmdclass=versioneer.get_cmdclass(),
      description='Send and receive domain events via RabbitMQ',
      author='Ableton AG',
      author_email='webteam@ableton.com',
      url='https://github.com/AbletonAG/domain-event-broker',
      license='MIT',
      packages=find_packages(),
      install_requires=["pika >= 1.0.0"],
      tests_require=["pytest >= 3.6.0", "mock"],
      zip_safe=False,
      classifiers=[
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
      ],
  )
  
subject: Add classifiers