Alternate-contacts: Bug in latest jsonschema package

[be-aws-architect]

Hello,

While deploying the aft-alternate-contacts solution I ran into an issue in the validate-alternate-contacts Lambda function:

[ERROR] Runtime.ImportModuleError: Unable to import module 'validate-alternate-contacts': No module named 'rpds.rpds' Traceback (most recent call last):

This is a known problem in the jsconschema package. installed version was 4.19.X. This is a known issue by the provider: python-jsonschema/jsonschema#1117

Setting the version to 4.17.3 in the requirements.txt and redeploying solved the issue.

jsonschema==4.17.3

Can you set the version constraint in the module until the issue is fixed by the provider?

[be-aws-architect]

On top of that, you should either remove the concurrency limit or increase it, as it serves no function. On my second testrun, my function failed because there was another one running.. I ran it on two accounts.

[wellsiau-aws]

concurrency issues related to #14 . Since the API call is made from AFT management account, we are are limited to the quota at AFT account level.