old_contents: # -*- coding: utf-8 -*-
  
  from distutils.core import setup
  
  setup(
      name="pyheatmap",
      version="0.1.10",
      packages=["pyheatmap", "pyheatmap.inc"],
      url="https://github.com/oldj/pyheatmap",
      license="MIT",
      author="oldj",
      author_email="oldj.wu@gmail.com",
      description="Create heatmap by Python.",
      requires=["PIL"]
  )
  
new_contents: # -*- coding: utf-8 -*-
  
  from distutils.core import setup
  
  setup(
      name="pyheatmap",
      version="0.1.10",
      packages=["pyheatmap", "pyheatmap.inc"],
      url="https://github.com/oldj/pyheatmap",
      license="MIT",
      author="oldj",
      author_email="oldj.wu@gmail.com",
      description="Create heatmap by Python.",
      requires=["pillow"]
  )
  
subject: update requires.