Bug: `UnauthorizedException` raises `TypeError` when using documented keyword arguments

[T90REAL]

Expected Behaviour

The public docs for AppSync exceptions state that UnauthorizedException accepts optional keyword arguments.

Current Behaviour

The implementation forwards those kwargs directly to Exception.__init__, which doesn’t accept keyword arguments, so any caller passing a documented kwarg receives TypeError.

Code snippet

from aws_lambda_powertools.event_handler.events_appsync.exceptions import UnauthorizedException

UnauthorizedException("Access denied", trace_id="abc123")

Traceback (most recent call last):
  File "/data/src/test.py", line 4, in <module>
    UnauthorizedException("Access denied", trace_id="abc123")
  File "/home/hdd/miniconda3/envs/py312/lib/python3.12/site-packages/aws_lambda_powertools/event_handler/events_appsync/exceptions.py", line 24, in __init__
    super().__init__(message, *args, **kwargs)
TypeError: UnauthorizedException() takes no keyword arguments

Possible Solution

Fix could be either consume/record kwargs inside UnauthorizedException before calling super().__init__, or remove **kwargs from the signature/docs to reflect the real capability.

Steps to Reproduce

Run the repro script.

Powertools for AWS Lambda (Python) version

latest

AWS Lambda function runtime

3.12

Packaging format used

PyPi

Debugging logs

[leandrodamascena]

Hi! Yes, I think we need to remove **kwargs from the signature to avoid confusing customers, as we don't accept it. Also, the UnauthorizedException exception is only used to return messages to AppSync, not additional arguments.

Could you submit a PR to fix this?

[T90REAL]

Could you submit a PR to fix this?

Sure. I will submit a PR for this.

[powertools-for-aws-oss-automation]

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