message: rtc: don't Py_Finalize
  Initialize/Finalize aren't re-entrant, so Finalize breaks the second lib's
  shutdown in dyna-rider.
diff: @@ -200,16 +200,16 @@ private:
  PyObject* obj = nullptr;
  };
  -// wrapper object to handle interpreter initialize/finalize
  +// wrapper object to handle interpreter initialization
  struct PyInit
  {
  PyInit()
  {
  - Py_Initialize();
  - }
  - ~PyInit()
  + if(!Py_IsInitialized())
  {
  - Py_Finalize();
  + // don't register signal handlers
  + Py_InitializeEx(0);
  + }
  }
  };
  