Fix secrets error - use env var

app.py

@@ -8,7 +8,12 @@ import requests
 from datetime import datetime
 import time
 
-FINNHUB_API_KEY = st.secrets.get("FINNHUB_API_KEY", "demo")
+FINNHUB_API_KEY = "demo"
+try:
+    import os
+    FINNHUB_API_KEY = os.environ.get("FINNHUB_API_KEY", "demo")
+except:
+    pass
 
 st.set_page_config(
     page_title="Pro Trading Signals",