old_contents: from setuptools import setup, find_packages
  from dvc import VERSION
  
  
  install_requires = [
      "ply>=3.9",  # See https://github.com/pyinstaller/pyinstaller/issues/1945
      "configparser>=3.5.0",
      "zc.lockfile>=1.2.1",
      "future>=0.16.0",
      "colorama>=0.3.9",
      "configobj>=5.0.6",
      "networkx>=2.1",
      "pyyaml>=3.12",
      "gitpython>=2.1.8",
      "setuptools>=34.0.0",
      "nanotime>=0.5.2",
      "pyasn1>=0.4.1",
      "schema>=0.6.7",
      "jsonpath-rw==1.4.0",
      "requests>=2.18.4",
      "grandalf==0.6",
      "asciimatics>=1.10.0",
      "distro>=1.3.0",
      "appdirs>=1.4.3",
  ]
  
  # Extra dependencies for remote integrations
  gs = ["google-cloud-storage==1.13.0"]
  s3 = ["boto3==1.9.115"]
  azure = ["azure-storage-blob==1.3.0"]
  ssh = ["paramiko>=2.4.1"]
  all_remotes = gs + s3 + azure + ssh
  
  setup(
      name="dvc",
      version=VERSION,
      description="Git for data scientists - manage your code and data together",
      long_description=open("README.rst", "r").read(),
      author="Dmitry Petrov",
      author_email="dmitry@dataversioncontrol.com",
      download_url="https://github.com/iterative/dvc",
      license="Apache License 2.0",
      install_requires=install_requires,
      extras_require={
          "all": all_remotes,
          "gs": gs,
          "s3": s3,
          "azure": azure,
          "ssh": ssh,
          # NOTE: https://github.com/inveniosoftware/troubleshooting/issues/1
          ':python_version=="2.7"': ["futures"],
      },
      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=["tests"]),
      include_package_data=True,
      url="http://dataversioncontrol.com",
      entry_points={"console_scripts": ["dvc = dvc.main:main"]},
      zip_safe=False,
  )
  
new_contents: from setuptools import setup, find_packages
  from dvc import VERSION
  
  
  install_requires = [
      "ply>=3.9",  # See https://github.com/pyinstaller/pyinstaller/issues/1945
      "configparser>=3.5.0",
      "zc.lockfile>=1.2.1",
      "future>=0.16.0",
      "colorama>=0.3.9",
      "configobj>=5.0.6",
      "networkx>=2.1",
      "pyyaml>=3.12",
      "gitpython>=2.1.8",
      "setuptools>=34.0.0",
      "nanotime>=0.5.2",
      "pyasn1>=0.4.1",
      "schema>=0.6.7",
      "jsonpath-rw==1.4.0",
      "requests>=2.18.4",
      "grandalf==0.6",
      "asciimatics>=1.10.0",
      "distro>=1.3.0",
      "appdirs>=1.4.3",
      "treelib>=1.5.5",
  ]
  
  # Extra dependencies for remote integrations
  gs = ["google-cloud-storage==1.13.0"]
  s3 = ["boto3==1.9.115"]
  azure = ["azure-storage-blob==1.3.0"]
  ssh = ["paramiko>=2.4.1"]
  all_remotes = gs + s3 + azure + ssh
  
  setup(
      name="dvc",
      version=VERSION,
      description="Git for data scientists - manage your code and data together",
      long_description=open("README.rst", "r").read(),
      author="Dmitry Petrov",
      author_email="dmitry@dataversioncontrol.com",
      download_url="https://github.com/iterative/dvc",
      license="Apache License 2.0",
      install_requires=install_requires,
      extras_require={
          "all": all_remotes,
          "gs": gs,
          "s3": s3,
          "azure": azure,
          "ssh": ssh,
          # NOTE: https://github.com/inveniosoftware/troubleshooting/issues/1
          ':python_version=="2.7"': ["futures"],
      },
      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=["tests"]),
      include_package_data=True,
      url="http://dataversioncontrol.com",
      entry_points={"console_scripts": ["dvc = dvc.main:main"]},
      zip_safe=False,
  )
  
subject: Add treelib dependency to setup.py