Update app.py

app.py

@@ -43,9 +43,9 @@ data_load_state.text("Loading SPY data...done!")
 
 # Calculate technical indicators: MACD and RSI
 macd_indicator = MACD(close=data['Close'])
-# Squeeze the returned values to ensure a 1-dimensional array
-data['MACD'] = pd.Series(macd_indicator.macd().squeeze(), index=data.index)
-data['MACD_signal'] = pd.Series(macd_indicator.macd_signal().squeeze(), index=data.index)
+# Use flatten() to convert to a 1D array
+data['MACD'] = pd.Series(np.array(macd_indicator.macd()).flatten(), index=data.index)
+data['MACD_signal'] = pd.Series(np.array(macd_indicator.macd_signal()).flatten(), index=data.index)
 
 rsi_indicator = RSIIndicator(close=data['Close'], window=14)
 data['RSI'] = rsi_indicator.rsi()
@@ -195,4 +195,4 @@ st.write(f"**Return:** {return_pct:.2f}%")
 
 st.markdown("""
 *This extended demo is for educational purposes only and does not constitute financial advice. Always test your strategies extensively before trading with real money.*
-""")
+""")