old_contents: from distutils.core import setup
  from setuptools import find_packages
  
  setup(
      name='vimapt',
      version='0.1',
      install_requires=[
          'pureyaml',
          'six',
          'semantic_version'
      ],
      packages=find_packages(exclude=[]),
      url='www.vimapt.org',
      license='GPL',
      author='Xiaoquan Kong',
      author_email='u1mail2me@gmail.com',
      description='APT-like package manager for Vim'
  )
  
new_contents: from distutils.core import setup
  from setuptools import find_packages
  
  setup(
      name='vimapt',
      version='0.1',
      install_requires=[
          'pyyaml',
          'six',
          'semantic_version'
      ],
      packages=find_packages(exclude=[]),
      url='www.vimapt.org',
      license='GPL',
      author='Xiaoquan Kong',
      author_email='u1mail2me@gmail.com',
      description='APT-like package manager for Vim'
  )
  
subject: Change packages's dependency