Update app.py

app.py

@@ -43,9 +43,14 @@ data_load_state.text("Loading SPY data...done!")
 
 # Calculate technical indicators: MACD and RSI
 macd_indicator = MACD(close=data['Close'])
-# 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)
+
+# Convert outputs to 1-dimensional lists
+macd_values = np.array(macd_indicator.macd()).flatten().tolist()
+macd_signal_values = np.array(macd_indicator.macd_signal()).flatten().tolist()
+
+# Create the Series using the lists
+data['MACD'] = pd.Series(macd_values, index=data.index)
+data['MACD_signal'] = pd.Series(macd_signal_values, index=data.index)
 
 rsi_indicator = RSIIndicator(close=data['Close'], window=14)
 data['RSI'] = rsi_indicator.rsi()