def run_main_loop():
  _initialize_if_needed()
  _platform_message_loop.run_main_loop()
Return a string of the normalized form of this address.  e.g.::
dataset/ETHPy150Open natduca/quickopen/src/message_loop.py/run_main_loop--crossover with--dataset/ETHPy150Open twisted/vertex/vertex/q2q.py/Q2QAddress.__str__