This package contains the Amazon Web Services (AWS) cfnresponse module which is available in Python AWS Lambda environments.
The code for this module can be found in the Lambda Function Code documentation and in the awslabs GitHub repo
You can compare the code in awslabs with this pypi package with this command
if [ "$(curl -s https://raw.githubusercontent.com/awslabs/aws-cloudformation-templates/master/aws/services/CloudFormation/MacrosExamples/StackMetrics/lambda/cfnresponse.py | sha256sum)" = "$(curl -s https://raw.githubusercontent.com/gene1wood/cfnresponse/master/cfnresponse/__init__.py | sha256sum)" ]; then echo "Files match"; fi