code: def register_module(module=None):
      
  
      global REGISTERED_MODULES
  
      if module is None:
          # Note: inspect.getmodule() can return the wrong module if it has been imported with different relatives paths.
          module = sys.modules.get(inspect.currentframe().f_back.f_globals["__name__"])
  
      REGISTERED_MODULES.add(module)
      return True
docs: Registers given module or caller introspected module in the candidates modules for tracing.
  
      :param module: Module to register.
      :type module: ModuleType
      :return: Definition success.
      :rtype: bool