.

app.py

@@ -392,6 +392,11 @@ def conversation(qa_chain, message, history, evaluator):
     return (qa_chain, gr.update(value=""), new_history, response_source1, response_source1_page,
             response_source2, response_source2_page, response_source3, response_source3_page,
             evaluation_metrics)
+
+
+def interact(qa_chain, message, history):
+    return conversation(qa_chain, message, history, evaluator)
+            
     
 
 def upload_file(file_obj):
@@ -414,6 +419,7 @@ def demo():
         vector_db = gr.State()
         qa_chain = gr.State()
         collection_name = gr.State()
+        history = gr.State()
         
         gr.Markdown(
         """<center><h2>PDF-based chatbot</center></h2>
@@ -505,14 +511,13 @@ def demo():
 
         # Chatbot events
 
-        def interact(qa_chain, message, history):
-            return conversation(qa_chain, message, history, evaluator)
+        
         
 
-        msg.submit(interact, inputs=[gr.State(), msg, history], outputs=[
+        msg.submit(interact, inputs=[qa_chain, msg, chatbot], outputs=[
         gr.State(), chatbot, history, response_source1, response_source1_page,
         response_source2, response_source2_page, response_source3, response_source3_page,
-        None, None, None, metrics_output
+        None, None, None, metrics_output,queue=False
     ])