old_contents: from setuptools import setup
  
  setup(
      name='bookmarks',
      packages=['bookmarks'],
      include_package_data=True,
      install_requires=[
          'flask',
      ],
  )
  
new_contents: from setuptools import setup
  
  setup(
      name='bookmarks',
      packages=['bookmarks'],
      include_package_data=True,
      install_requires=[
          'Flask',
          'SQLalchemy'
      ],
  )
  
subject: Add SQLalchemy to list of install requirements