fix things

app.py

@@ -72,9 +72,10 @@ def get_component_wise_memory(pipeline_id, token=None, variant=None, revision=No
                 )
                 variant_present_with_extension = any(condition(filename) for filename in current_component_filenames)
                 if not variant_present_with_extension:
+                    formatted_filenames = ", ".join(current_component_filenames)
                     raise ValueError(
                         f"Requested extension ({extension}) and variant ({variant}) not present for {current_component}."
-                        f" Available files for this component:\n{'\n'.join(current_component_filenames)}."
+                        f" Available files for this component: {formatted_filenames}."
                     )
             else:
                 raise ValueError(f"Problem with {current_component}.")