old_contents: """desc"""
  from distutils.core import setup
  setup(
      name="flask-restaction",
      version="0.14",
      description="a powerful flask ext for create restful api",
      long_description=__doc__,
      author="kk",
      url="https://github.com/guyskk/flask-restaction",
      license="MIT",
      packages=["flask_restaction"],
      package_data={'flask_restaction': ['js/res.js']},
      install_requires=[
          'flask>=0.1',
          'pyjwt>=1.4',
          'validater>=0.6.3',
          'bson>=0.4'
      ],
      classifiers=[
          'Framework :: Flask',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
          'Topic :: Software Development :: Libraries :: Python Modules'
      ],
  )
  
new_contents: """desc"""
  from distutils.core import setup
  setup(
      name="flask-restaction",
      version="0.14",
      description="a powerful flask ext for create restful api",
      long_description=__doc__,
      author="kk",
      url="https://github.com/guyskk/flask-restaction",
      license="MIT",
      packages=["flask_restaction"],
      package_data={'flask_restaction': ['js/res.js']},
      install_requires=[
          'flask>=0.1',
          'pyjwt>=1.4',
          'validater>=0.6.3',
          'pymongo>=3.0'
      ],
      classifiers=[
          'Framework :: Flask',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
          'Topic :: Software Development :: Libraries :: Python Modules'
      ],
  )
  
subject: add pymongo to install_requires