Update app.py

app.py

@@ -11,7 +11,7 @@ from langchain import LLMChain
 from langchain_together import Together
 import os
 
-os.environ['TOGETHER_API_KEY'] = "c2f52626b97118b71c0c36f66eda4f5957c8fc475e760c3d72f98ba07d3ed3b5"
+os.environ['TOGETHER_API_KEY'] = "your_api_key"
 
 # Initialize global variable for vectorstore
 vectorstore = None
@@ -106,9 +106,11 @@ Question: {query}
     Generated_chat = LLMChain(llm=llama3, prompt=prompt)
     response = Generated_chat.invoke({'retrieved_documents': retrieved_documents, 'query': query})
 
-    # Ensure that the history is a list of two-element lists [query, response]
+    # Ensure history is always a list of two-element lists [query, response]
     history.append([query, response['text']])
-    return response['text'], history
+    
+    # Return the updated history and the new response for display
+    return history, history
 
 def gradio_app():
     with gr.Blocks() as app: