old_contents: import platform
  from setuptools import setup, find_packages
  from distutils.errors import DistutilsPlatformError
  from dvc import VERSION
  
  install_requires = [
      "boto>=2.46.1",
      "google-compute-engine>=2.4.1", #required by boto
      "configparser>=3.5.0",
      "zc.lockfile>=1.2.1",
      "future>=0.16.0",
      "google-cloud>=0.24.0",
      "colorama>=0.3.9",
      "configobj>=5.0.6",
      "networkx>=1.11",
      "pyyaml>=3.12",
      "tinydb>=3.7.0",
      "gitpython>=2.1.8",
      "ntfsutils>=0.1.3",
      "pygraphviz>=1.3.1",
      "checksumdir>=1.1.4",
  ]
  
  setup(
      name='dvc',
      version=VERSION,
      description='Data Version Control makes your data science projects reproducible and shareable.',
      author='Dmitry Petrov',
      author_email='dmitry@dataversioncontrol.com',
      url='https://github.com/dataversioncontrol/dvc.git',
      license='Apache License 2.0',
      install_requires=install_requires,
      keywords='data science, data version control, machine learning',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 3',
      ],
      packages=find_packages(exclude=['bin', 'tests', 'functests']),
      include_package_data=True,
      download_url='http://dataversioncontrol.com',
      entry_points={
          'console_scripts': ['dvc = dvc.main:main']
      },
      zip_safe=False
  )
  
new_contents: import platform
  from setuptools import setup, find_packages
  from distutils.errors import DistutilsPlatformError
  from dvc import VERSION
  
  install_requires = [
      "boto>=2.46.1",
      "google-compute-engine>=2.4.1", #required by boto
      "configparser>=3.5.0",
      "zc.lockfile>=1.2.1",
      "future>=0.16.0",
      "google-cloud>=0.24.0",
      "colorama>=0.3.9",
      "configobj>=5.0.6",
      "networkx>=1.11",
      "pyyaml>=3.12",
      "tinydb>=3.7.0",
      "gitpython>=2.1.8",
      "ntfsutils>=0.1.3",
      "checksumdir>=1.1.4",
  ]
  
  setup(
      name='dvc',
      version=VERSION,
      description='Data Version Control makes your data science projects reproducible and shareable.',
      author='Dmitry Petrov',
      author_email='dmitry@dataversioncontrol.com',
      url='https://github.com/dataversioncontrol/dvc.git',
      license='Apache License 2.0',
      install_requires=install_requires,
      keywords='data science, data version control, machine learning',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 3',
      ],
      packages=find_packages(exclude=['bin', 'tests', 'functests']),
      include_package_data=True,
      download_url='http://dataversioncontrol.com',
      entry_points={
          'console_scripts': ['dvc = dvc.main:main']
      },
      zip_safe=False
  )
  
subject: Remove pygraphviz from install_requires