code: def update_org(cls, module):
          
          try:
              cls.module_registry[module]["OrgModel"]._meta.get_field("users")
          except FieldDoesNotExist:
              cls.module_registry[module]["OrgModel"].add_to_class(
                  "users",
                  models.ManyToManyField(
                      USER_MODEL,
                      through=cls.module_registry[module]["OrgUserModel"].__name__,
                      related_name="%(app_label)s_%(class)s",
                  ),
              )
  
          cls.module_registry[module]["OrgModel"].invitation_model = cls.module_registry[
              module
          ][
              "OrgInviteModel"
          ]
docs: Adds the `users` field to the organization model