variable name change.

app.py

@@ -179,7 +179,7 @@ def add_new_eval(
         path_in_repo=dataset_out_path,
         repo_id=REQUESTS_DATASET_PATH,
         repo_type="dataset",
-        commit_message=f"Adding {model} to requests queue.",
+        commit_message=f"Adding {model_name} to requests queue.",
     )
 
     # Remove the local file