Update app.py

app.py

@@ -189,8 +189,13 @@ if __name__ == "__main__":
     print("\n" + "-"*30 + " App Starting " + "-"*30)
     # Check for SPACE_HOST and SPACE_ID at startup for information
     space_host_startup = os.getenv("SPACE_HOST")
+    print(space_host_startup)
     space_id_startup = os.getenv("SPACE_ID") # Get SPACE_ID at startup
+    print(space_id_startup)
+    ACCESS_TOKEN = os.getenv("HF_KEY") 
 
+    if not ACCESS_TOKEN:
+        raise ValueError("HF_TOKEN environment variable is not set. Please set it in Space Secrets.")
     data_dir = snapshot_download(
         repo_id="gaia-benchmark/GAIA",
         repo_type="dataset"