Update app.py

app.py

@@ -4,7 +4,10 @@ import requests
 # Function to get latitude and longitude from a place name using Nominatim
 def get_lat_lon(place_name):
     url = f"https://nominatim.openstreetmap.org/search?q={place_name}&format=json&limit=1"
-    response = requests.get(url)
+    headers = {
+        'User-Agent': 'YourAppName/1.0 (your_email@example.com)'
+    }
+    response = requests.get(url, headers=headers)
     if response.status_code == 200:
         results = response.json()
         if results: