Update app.py

app.py

@@ -45,13 +45,22 @@ def fetch_stock_data(symbol, start_date, end_date):
 def add_technical_indicators(data):
     print("Adding technical indicators...")
     data['RSI'] = ta.rsi(data['Close'], length=14)
-    data['MACD'], = ta.macd(data['Close'], fast=12, slow=26)['MACD_12_26_9']
-    bbands = ta.bbands(data['Close'], length=20, std=2.0)
-    # Handle potential missing columns
+
+    # Calculate MACD  and select only the MACD line
+    macd = ta.macd(data['Close'], fast=12, slow=26)
+    if MACD_12_26_9' in macd.columns:
+        data['MACD'] = macd['MACD_12_26_9']
+    else:
+        print("MACD data not available.")
+
+
+    # Add Bollinger Bands and handle potential missing columns
+    bbands = ta.bbands(data['Close'])
     if 'BBU_20_2.0' in bbands.columns:
         data['BB_upper'], data['BB_middle'], data['BB_lower'] = bbands['BBU_20_2.0'], bbands['BBM_20_2.0'], bbands['BBL_20_2.0']
     else:
         print("Bollinger Bands data not available.")
+    
     return data
 
 # Step 3: Analyze Sentiment using FinBERT