code: def set_ef(self, ef):
      if self.max_elements == 0:
          self.init_ef_construction = ef
          return
      super().set_ef(ef)
  
file_path: hnswlib/python_bindings/LazyIndex.py
imports: import hnswlib
label_desc: Use image node_id 7 for calling the LazyIndex obj's underlying member method code with example usage: obj.set_ef(ef) without return types