fix login

app.py

@@ -122,14 +122,14 @@ def process_pdfs(
             ),
         )
 
-    if oauth_token is None:
-        return (
-            None,
-            None,
-            gr.Markdown(
-                "⚠️ Not logged in to Hugging Face. Please log in to upload to a Hugging Face dataset."
-            ),
-        )
+    # if oauth_token is None:
+    #     return (
+    #         None,
+    #         None,
+    #         gr.Markdown(
+    #             "⚠️ Not logged in to Hugging Face. Please log in to upload to a Hugging Face dataset."
+    #         ),
+    #     )
 
     try:
         temp_dir = tempfile.mkdtemp()
@@ -167,6 +167,10 @@ def process_pdfs(
             message += f"\nCreated zip file with {len(images)} images"
 
         if hf_repo:
+            if oauth_token is None:
+                raise gr.Error(
+                    "Not logged in to Hugging Face. Please log in to upload to a Hugging Face dataset."
+                )
             try:
                 hf_api = HfApi(token=oauth_token.token)
                 hf_api.create_repo(