code: def __iter__(self):
      for u, v in self.intervals:
          yield from range(u, v + 1)
  
file_path: catboost/contrib/python/hypothesis/py3/hypothesis/internal/intervalsets.py
imports: from typing import Union
label_desc: Use image node_id 4 for calling the IntervalSet obj's underlying member method code with example usage: obj.__iter__() without return types