Update app.py

app.py

@@ -124,11 +124,13 @@ def regenerate(_chatbot, task_history):
     return predict(_chatbot, task_history)
 
 def add_text(history, task_history, text):
-    print("Add Text - Before: task_history =", task_history)
+    print("Add Text - Before: task_history =", task_history) 
+    if not isinstance(task_history, list):
+        task_history = []
     history.append((_parse_text(text), None))
     task_history.append((text, None))
-    print("Add Text - End: task_history =", task_history)
-    return history, task_history, ""
+    print("Add Text - After: task_history =", task_history)  
+    return history, task_history, "
 
 def add_file(history, task_history, file):
     print("Add File - Before: task_history =", task_history)
@@ -152,8 +154,8 @@ def reset_user_input():
     return gr.update(value="")
 
 def reset_state(task_history):
-    print("Reset State - Before: task_history =", task_history)
-    task_history.clear()
+    print("Reset State - Before: task_history =", task_history)  
+    task_history = []  # Reset task_history to an empty list
     print("Reset State - After: task_history =", task_history)
     return []