old_contents: from setuptools import setup
  
  setup(
      name='quilt_server',
      packages=['quilt_server'],
      include_package_data=True,
      install_requires=[
          'boto3',
          'Flask',
          'Flask-JSON',
          'Flask-Migrate',
          'jsonschema',
          'PyMySQL',
          'requests-oauthlib',
      ],
  )
  
new_contents: from setuptools import setup
  
  setup(
      name='quilt_server',
      packages=['quilt_server'],
      include_package_data=True,
      install_requires=[
          'boto3',
          'Flask',
          'Flask-JSON',
          'Flask-Migrate',
          'jsonschema',
          'packaging',
          'PyMySQL',
          'requests-oauthlib',
      ],
  )
  
subject: Add a missing dependency