code: def levels(self):
      ...
  
file_path: bambi/bambi/terms/base.py
imports: from abc import ABC, abstractmethod
  from bambi.priors.prior import Prior
  from bambi.utils import indentify, multilinify
label_desc: Use image node_id 5 for calling the BaseTerm obj's underlying member method code with example usage: obj.levels() without return types