ProcessNotifciation Exception

[viniciusverasdossantos]

ProcessNotifciation Exception:
Can I improve the messages with more information or do the prints help?

[donaldjansen]

What did you have in mind to improve, any improvements is welcome

[viniciusverasdossantos]

There is another error in this same method.
There is already a method that checks if the key exists in attrs...so I changed it to work.
node.attrs["participant"] to node.getattr("participant")??""

and this line: