code: def calc_is_empty(self, recur):
      return recur(self.flatmapped_strategy)
  
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 2 for calling the FlatMapStrategy obj's underlying member method code with example usage: obj.calc_is_empty(recur) and returns: recur