old_contents: import setuptools
  
  with open("README.md", "r") as fh:
      long_description = fh.read()
  
  setuptools.setup(
      name="calligator",
      version="0.2.2",
      author="Pierre Karashchuk",
      author_email="krchtchk@gmail.com",
      description="An easy-to-use library for calibrating cameras in python",
      long_description=long_description,
      long_description_content_type="text/markdown",
      url="https://github.com/lambdaloop/calligator",
      packages=setuptools.find_packages(),
      classifiers=[
          "Programming Language :: Python :: 3",
          "License :: OSI Approved :: BSD License",
          "Intended Audience :: Science/Research",
          "Topic :: Scientific/Engineering",
          "Topic :: Scientific/Engineering :: Image Recognition"
      ],
      install_requires=[
          'opencv-contrib-python',
          'numba',
          'numpy', 'scipy', 'toml'
      ],
      extras_require={
          'full':  ["checkerboard"]
      }
  )
  
new_contents: import setuptools
  
  with open("README.md", "r") as fh:
      long_description = fh.read()
  
  setuptools.setup(
      name="calligator",
      version="0.2.2",
      author="Pierre Karashchuk",
      author_email="krchtchk@gmail.com",
      description="An easy-to-use library for calibrating cameras in python",
      long_description=long_description,
      long_description_content_type="text/markdown",
      url="https://github.com/lambdaloop/calligator",
      packages=setuptools.find_packages(),
      classifiers=[
          "Programming Language :: Python :: 3",
          "License :: OSI Approved :: BSD License",
          "Intended Audience :: Science/Research",
          "Topic :: Scientific/Engineering",
          "Topic :: Scientific/Engineering :: Image Recognition"
      ],
      install_requires=[
          'opencv-python',
          'opencv-contrib-python',
          'numba',
          'numpy', 'scipy', 'toml'
      ],
      extras_require={
          'full':  ["checkerboard"]
      }
  )
  
subject: add opencv requirement