Update app.py

app.py

@@ -14,10 +14,14 @@ def fetch_weather_data():
 data = fetch_weather_data()
 
 # Get warning message
-warning_message_en = data.get("Warning_Message_En", "No warning message available")
+warning_message_en = data.get("Warning_Message_En")
+if not warning_message_en:
+    warning_message_en = "No warning message available"
 
 # Get typhoon message
-tc_message_en = data.get("TC_Message_En", "No typhoon message available")
+tc_message_en = data.get("TC_Message_En")
+if not tc_message_en:
+    tc_message_en = "No typhoon message available"
 
 st.header("Realtime Dynamic Dashboard Prototype from Open Meteorological data", divider='rainbow')
 col1, col2 = st.columns([1, 1])