feat: Enable authenticated Hugging Face Hub downloads for GAIA using `HF_TOKEN` and enhance the download failure warning message.

app copy.py

@@ -32,6 +32,8 @@ def file_extract(local_file_path, task_id):
     if not local_file_path:
         return None
         
+    token = os.getenv("HUGGINGFACEHUB_API_TOKEN") or os.getenv("HF_TOKEN")
+    
     # GAIA files are usually placed in date-based subdirectories
     prefixes = ["2023/validation/", "2023/test/", "2023/train/", ""]
     
@@ -41,12 +43,13 @@ def file_extract(local_file_path, task_id):
                 repo_id="gaia-benchmark/GAIA",
                 filename=f"{prefix}{local_file_path}",
                 repo_type="dataset",
+                token=token
             )
             return resolved_path
         except Exception:
             continue
             
-    logger.warning(f"Could not download file '{local_file_path}' for task_id {task_id}")
+    logger.warning(f"Could not download file '{local_file_path}' for task_id {task_id}. Make sure you accepted GAIA terms on HF and set HF_TOKEN.")
     return None
         
 agent = BasicAgent()