old_contents: from setuptools import setup
  
  setup(
      name='bubblekicker',
      version='0.1',
      packages=['bubblekicker'],
      url='https://github.ugent.be/stvhoey/bubble_image_analysis',
      license='MIT',
      author='Giacomo Bellandi, Stijn Van Hoey',
      author_email='',
      description='',
      install_requires=['matplotlib', 'scikit-image']
  )
  
new_contents: from setuptools import setup
  
  setup(
      name='bubblekicker',
      version='0.1',
      packages=['bubblekicker'],
      url='https://github.com/gbellandi/bubble_size_analysis',
      license='MIT',
      author='Giacomo Bellandi, Stijn Van Hoey',
      author_email='',
      description='',
      install_requires=['matplotlib', 'scikit-image', 'opencv', 'numpy']
  )
  
subject: clarify dependency to opencv