Update app.py

app.py

@@ -130,7 +130,7 @@ def send_message(recipient, message):
     client.messages.create(
         body=message,
         from_=from_whatsapp_number,
-        to='919342540825'
+        to='whatsapp:+919342540825'
     )
 def send_initial_message(to_number):
     send_message(