fix: handle 404 response in get_creator_post API

fixes #315

Author: Ljzd-PRO

ktoolbox/api/posts/get_creator_post.py

@@ -1,12 +1,15 @@
-from typing import List
+from typing import List, TypeVar
 
+import httpx
 from pydantic import RootModel
 
 from ktoolbox.api import BaseAPI, APIRet
 from ktoolbox.api.model import Post
 
 __all__ = ["GetCreatorPost", "get_creator_post"]
 
+_T = TypeVar('_T')
+
 
 class GetCreatorPost(BaseAPI):
     path = "/{service}/user/{creator_id}/posts"
@@ -33,5 +36,9 @@ async def __call__(cls, service: str, creator_id: str, *, q: str = None, o: int
             }
         )
 
+    @classmethod
+    def handle_res(cls, res: httpx.Response) -> APIRet[_T]:
+        return APIRet(data=[]) if res.status_code == 404 else super().handle_res(res)
+
 
 get_creator_post = GetCreatorPost.__call__