Update app.py

app.py

@@ -21,7 +21,7 @@ def get_api_key():
     return api_key
 
 def respond(message, chat_history):
-    
+
     # Get embeddings
     embeddings = OpenAIEmbeddings()
     
@@ -33,6 +33,8 @@ def respond(message, chat_history):
                                                "maximal_marginal_relevance":True,
                                                "k":10})
 
+    chat_history = chat_history[1]
+    
     # Create ChatOpenAI and ConversationalRetrievalChain
     model = ChatOpenAI(model='gpt-3.5-turbo')
     qa = ConversationalRetrievalChain.from_llm(model, retriever)
@@ -40,7 +42,7 @@ def respond(message, chat_history):
     bot_message = qa({"question": message, "chat_history": chat_history})
     chat_history = [(message, bot_message["answer"])]
     time.sleep(1)
-    return chat_history
+    return "", chat_history
 
 with gr.Blocks() as demo:
     with gr.Tab("OpenAI API Key Submission"):
@@ -56,7 +58,6 @@ with gr.Blocks() as demo:
         api_check_button = gr.Button("Get API Key")
         api_print = gr.Textbox(label = "OpenAI API Key - Please ensure the API Key is set correctly")
         chatbot = gr.Chatbot(label="ChatGPT Powered Coding Assistant")
-        chat_history = []
         msg = gr.Textbox(label="User Prompt", placeholder="Your Query Here")
         clear = gr.Button("Clear")