convert all attrs classes to use custom init methods to enable mypy to work#44

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praus merged 1 commit intoaws:masterfrom

mattsb42-aws:mypy-attrs

May 2, 2018

Commits on May 1, 2018

convert all attrs classes to use custom init methods to enable mypy to work https://github.com/awslabs/aws-dynamodb-encryption-python/issues/4
mattsb42-aws
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