code: def __repr__(self):
      if not hasattr(self, "_cached_repr"):
          self._cached_repr = f"{self.flatmapped_strategy!r}.flatmap({get_pretty_function_description(self.expand)})"
      return self._cached_repr
  
file_path: catboost/contrib/python/hypothesis/py3/hypothesis/strategies/_internal/flatmapped.py
imports: from hypothesis.internal.reflection import get_pretty_function_description
  from hypothesis.strategies._internal.strategies import SearchStrategy, check_strategy
label_desc: Use image node_id 3 for calling the FlatMapStrategy obj's underlying member method code with example usage: obj.__repr__() and returns: self