code: def got_scheduler_module_type_defined(self, module_type):
          
          for scheduler_link in self.schedulers:
              for module in scheduler_link.modules:
                  if module.is_a_module(module_type):
                      return True
          return False
docs: Check if a module type is defined in one of the schedulers
  
          :param module_type: module type to search for
          :type module_type: str
          :return: True if mod_type is found else False
          :rtype: bool
          TODO: Factorize it with got_broker_module_type_defined