added error handling

app.py

@@ -12,11 +12,13 @@ load_dotenv()
 NEWSAPI_KEY = os.getenv("NEWSAPI_KEY")
 
 def fetch_stock_data(ticker):
+    print("fetching stock data")
     stock = yf.Ticker(ticker)
     hist = stock.history(period="1mo")
     return hist.tail(5)
 
 def fetch_stock_news(ticker, NEWSAPI_KEY):
+    print("fetching stock news")
     api_url = f"https://newsapi.org/v2/everything?q={ticker}&apiKey={NEWSAPI_KEY}"
     response = requests.get(api_url)
     if response.status_code == 200:
@@ -26,6 +28,7 @@ def fetch_stock_news(ticker, NEWSAPI_KEY):
         return [{"error": "Unable to fetch news."}]
 
 def calculate_moving_average(ticker, window=5):
+    print("calculating moving average")
     stock = yf.Ticker(ticker)
     hist = stock.history(period="1mo")
     hist[f"{window}-day MA"] = hist["Close"].rolling(window=window).mean()