def script_paths(self, script_name):
    try:
      return self._script_to_paths[script_name]
    except KeyError:
      raise KeyError('Script name %s not recognized' % script_name)
there should be no history on the objects
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/wrapper_util.py/Paths.script_paths--crossover with--dataset/ETHPy150Open eoyilmaz/anima/anima/env/mayaEnv/publish.py/check_history