Update app.py

app.py

@@ -917,4 +917,4 @@ def view_payment(payment_id):
                                 payment_id=payment_link.id)
 
 if __name__ == '__main__':
-    app.run(debug=True, host='0.0.0.0', port=5000)
+    app.run(debug=True, host='0.0.0.0', port=7860)