hotfix: model_id (#76)

- Update app.py (9b469b3044567b578bab5412f96cfafc2d2f6c4d)

app.py

@@ -119,7 +119,7 @@ def process_model(model_id, q_method, private_repo, split_model, split_max_tenso
             card.data.tags = []
         card.data.tags.append("llama-cpp")
         card.data.tags.append("gguf-my-repo")
-        card.data.base_model = {model_id}
+        card.data.base_model = model_id
         card.text = dedent(
             f"""
             # {new_repo_id}