Update app.py

app.py

@@ -42,12 +42,18 @@ import math
 
 # Weather API configuration
 # WEATHER_API_KEY = os.getenv("OPENWEATHER_API_KEY")
+# WEATHER_API_KEY = os.getenv("OPENWEATHER_API_KEY")
 WEATHER_API_KEY = "80abcb4987dcd87229eb4f36d2a2e7e2"
+
+if not WEATHER_API_KEY:
+    st.warning("Please set OPENWEATHER_API_KEY environment variable to show weather data")
 WEATHER_API_URL = "https://api.openweathermap.org/data/2.5/weather"
 
 @st.cache_data(ttl=1800)  # Cache for 30 minutes
 def fetch_weather_data(lat, lon):
     """Fetch weather data for a specific location"""
+    if not WEATHER_API_KEY:
+        return None
     try:
         params = {
             'lat': lat,