Update app.py

app.py

@@ -37,7 +37,8 @@ all_models = [m.modelId for m in api.list_models(filter=filt, sort = "downloads"
 models = st.multiselect(
      'Choose the models that have been trained/finetuned on this dataset', 
      options=all_models)
-     
+if len(models) > 5:
+  st.exception("Please choose less than 5 models!")
 
 st.markdown("### What two metrics do you want to compare?")