detailed holdings

app.py

@@ -627,8 +627,9 @@ def main():
         st.button("Refresh Holdings", on_click=update_holdings)
 
         # Add an expandable section for detailed holdings
+        st.subheader("Detailed Holdings")
         with st.expander("View Detailed Holdings"):
-            holdings = app.alpaca.getHoldings()
+            holdings = app.alpaca.getHoldings()  # Use self.alpaca instead of app.alpaca
             if holdings:
                 detailed_holdings = pd.DataFrame(
                     [{"Ticker": ticker, "Amount (USD)": round(value)} for ticker, value in holdings.items()]