updated FMP_KEY var

app.py

@@ -36,7 +36,7 @@ def fetch_historical_price_data(symbol: str, start_date: str) -> list[dict]:
     if start_dt > today:
         return [{"error": f"The start date '{start_date}' is in the future (after today {today})."}]
 
-    url = f"https://financialmodelingprep.com/stable/historical-price-eod/non-split-adjusted?symbol={symbol}&from={start_date}&apikey={FMP_API_KEY}"
+    url = f"https://financialmodelingprep.com/stable/historical-price-eod/non-split-adjusted?symbol={symbol}&from={start_date}&apikey={FMP_KEY}"
     
     try:
         response = requests.get(url)