code: def _release(level):
      
      version, comment = _new_version(level)
  
      if version is not None:
  
          run(['git',
               'commit',
               str(VER_PATH.relative_to(BASE_PATH)),
               str(CHANGES_PATH.relative_to(BASE_PATH)),
               '--amend',
               '--no-edit',
               ])
          run(['git',
               'tag',
               '-a',
               'v' + version,
               '-m',
               '"' + comment + '"',
               ])
          run(['git',
               'push',
               'origin',
               '--tags',
               ])
          run(['git',
               'push',
               'origin',
               'master',
               '-f',
               ])
docs: TODO: we should make sure that we are on master release