code: def from_set(cls, set_):
      self = cls()
      self._set = set_
      return self
  
file_path: catboost/contrib/python/jedi/py2/jedi/common/context.py
label_desc: Use image node_id 3 for calling the BaseContextSet obj's underlying member method code with example usage: obj.from_set(cls, set_) and returns: self