old_contents: from setuptools import setup, find_packages
  
  setup(
      name="testapp",
      version="0.1",
      description="Example application to be deployed.",
      packages=find_packages(),
      install_requires=['falcon'],
  )
  
new_contents: from setuptools import setup, find_packages
  
  setup(
      name="testapp",
      version="0.1",
      description="Example application to be deployed.",
      packages=find_packages(),
      install_requires=['falcon', 'gunicorn'],
  )
  
subject: Add gunicorn back to requirements