Try make placeholder for output below buttons and input

app.py

@@ -61,8 +61,7 @@ def handle_submit():
         )
         
         answer = ""
-        #placeholder =st.empty()
-        placeholder.markdown('<div class="scrollable-div"></div>', unsafe_allow_html=True)
+        placeholder = st.session_state.placeholder
         for chunk in response: 
             answer += chunk['choices'][0]['delta']['content'] 
             placeholder.markdown(f'<div class="scrollable-div"><p>{answer}</p></div>', unsafe_allow_html=True)
@@ -85,5 +84,7 @@ if 'conversation' not in st.session_state:
 with col2:
     st.session_state.include_context = st.checkbox('Search in Help')
 
-placeholder = st.empty()
+if 'placeholder' not in st.session_state:
+    st.session_state.placeholder = st.empty()
+    
 #st.markdown(f'<div class="scrollable-div">{st.session_state.conversation}</div>', unsafe_allow_html=True)