code: def purge_module(self, module_name):
          
          containers = self.config["py3_config"][".module_groups"]
          containers_to_update = set()
          if module_name in containers:
              containers_to_update.update(set(containers[module_name]))
          for container in containers_to_update:
              try:
                  self.modules[container].module_class.items.remove(module_name)
              except ValueError:
                  pass
docs: A module has been removed e.g. a module that had an error.
          We need to find any containers and remove the module from them.