old_contents: from setuptools import setup, find_packages
  import sys
  
  if sys.version_info.major != 3:
      print('This Python is only compatible with Python 3, but you are running '
            'Python {}. The installation will likely fail.'.format(sys.version_info.major))
  
  
  setup(name='baselines',
        packages=[package for package in find_packages()
                  if package.startswith('baselines')],
        install_requires=[
            'gym[mujoco,atari,classic_control,robotics]',
            'scipy',
            'tqdm',
            'joblib',
            'zmq',
            'dill',
            'progressbar2',
            'mpi4py',
            'cloudpickle',
            'tensorflow>=1.4.0',
            'click',
        ],
        description='OpenAI baselines: high quality implementations of reinforcement learning algorithms',
        author='OpenAI',
        url='https://github.com/openai/baselines',
        author_email='gym@openai.com',
        version='0.1.5')
  
new_contents: from setuptools import setup, find_packages
  import sys
  
  if sys.version_info.major != 3:
      print('This Python is only compatible with Python 3, but you are running '
            'Python {}. The installation will likely fail.'.format(sys.version_info.major))
  
  
  setup(name='baselines',
        packages=[package for package in find_packages()
                  if package.startswith('baselines')],
        install_requires=[
            'gym[mujoco,atari,classic_control,robotics]',
            'scipy',
            'tqdm',
            'joblib',
            'zmq',
            'dill',
            'progressbar2',
            'mpi4py',
            'cloudpickle',
            'tensorflow>=1.4.0',
            'click',
            'opencv-python'
        ],
        description='OpenAI baselines: high quality implementations of reinforcement learning algorithms',
        author='OpenAI',
        url='https://github.com/openai/baselines',
        author_email='gym@openai.com',
        version='0.1.5')
  
subject: add opencv-python to the dependencies (#407)