Update app.py

app.py

@@ -71,4 +71,4 @@ def send_message(recipient_id, message_text):
     print(response.json())
 
 if __name__ == "__main__":
-    app.run(port=7680, debug=True)
+    app.run(port=7680, debug=True, host=0,0,0,0)