old_contents: from setuptools import setup
  
  setup(name='gym_sokoban',
        version='0.0.1',
        install_requires=['gym>=0.2.3', 'scipy', 'numpy']
  )
  
new_contents: from setuptools import setup
  
  setup(name='gym_sokoban',
        version='0.0.1',
        install_requires=['gym>=0.2.3', 'scipy>=1.0.0', 'numpy>=1.14.1']
  )
  
subject: Add version constraints