Update imports in main.py

main.py

@@ -6,10 +6,10 @@ from datetime import datetime
 from pathlib import Path
 
 from dotenv import load_dotenv
-from fastapi import BackgroundTasks, FastAPI, Header, Request
+from fastapi import BackgroundTasks, FastAPI, Header
 from fastapi.middleware.cors import CORSMiddleware
 from huggingface_hub import CommitScheduler, HfApi, whoami
-from huggingface_hub.utils import HTTPError
+from huggingface_hub.utils._errors import HTTPError
 from pydantic import BaseModel
 from starlette.responses import RedirectResponse
 
@@ -75,7 +75,7 @@ class Vote(BaseModel):
 
 def validate_token(token: str):
     try:
-        user = whoami(token=token)
+        whoami(token=token)
         return True
     except HTTPError as e:
         # check for HTTPError: Invalid user token. If you didn't pass a user token, make sure you are properly logged in by executing `huggingface-cli login`, and if you did pass a user token, double-check it's correct. in the error message