prevent log user message returning a tuple

Gradio_UI.py

@@ -249,15 +249,13 @@ class GradioUI:
         return gr.Textbox(f"File uploaded: {file_path}", visible=True), file_uploads_log + [file_path]
 
     def log_user_message(self, text_input, file_uploads_log):
-        return (
-            text_input
-            + (
-                f"\nYou have been provided with these files, which might be helpful or not: {file_uploads_log}"
-                if len(file_uploads_log) > 0
-                else ""
-            ),
-            "",
+        message = text_input + (
+            f"\nYou have been provided with these files, which might be helpful or not: {file_uploads_log}"
+            if len(file_uploads_log) > 0
+            else ""
         )
+        return message, None 
+        # Return just the message string, second value can be None (or anything other than the list you were appending to) since it's being passed to stored_messages
 
     def launch(self, **kwargs):
         import gradio as gr