PYTHON_VIRTUALENV_URL =
  "https://files.pythonhosted.org/packages/4e/8b" \
  "/75469c270ac544265f0020aa7c4ea925c5284b23e445cf3aa8b99f662690" \
  "/virtualenv-16.1.0.tar.gz".freeze
PYTHON_VIRTUALENV_SHA256 =
  "f899fafcd92e1150f40c8215328be38ff24b519cd95357fa6e78e006c7638208".freeze