Gemini fix try#2

app.py

@@ -35,6 +35,9 @@ st.markdown(
     unsafe_allow_html=True
 )
 
+# Define the placeholder globally
+placeholder = st.empty()
+
 def handle_submit():
     user_input = st.session_state.user_input
 
@@ -68,10 +71,6 @@ def handle_submit():
     else:
         st.session_state.conversation(f"<p><strong>Adrega AI:</strong>: Please enter a question.")
 
-# Create the placeholder element only once
-if 'placeholder' not in st.session_state:
-    placeholder = st.session_state.placeholder = st.empty()
-
 st.text_input('Ask me a question', key='user_input', on_change=handle_submit)
 col1, col2 = st.columns(2)