code: def levels(self):
      if hasattr(self.family, "get_levels"):
          return self.family.get_levels(self)
      return self.term.levels
  
file_path: bambi/bambi/terms/response.py
imports: import formulae.terms
  from bambi.terms.base import BaseTerm
  from bambi.terms.utils import is_response_of_kind
label_desc: Use image node_id 7 for calling the ResponseTerm obj's underlying member method code with example usage: obj.levels() and returns: self, self