Update app.py

app.py

@@ -83,7 +83,7 @@ def main():
     ]
 
     for msg in st.session_state.messages:
-    st.chat_message(msg["role"]).write(msg["content"])
+        st.chat_message(msg["role"]).write(msg["content"])
 
 
     user_question = st.text_input("Ask a question about your documents:")