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* api-change:``cloudfront``: Update cloudfront client to latest version
* api-change:``comprehend``: Update comprehend client to latest version
* api-change:``codepipeline``: Update codepipeline client to latest version
* api-change:``secretsmanager``: Update secretsmanager client to latest version
* enhancement:StreamingResponses: Add ``iter_lines()`` and ``iter_chunks()`` to streaming responses (`1195 <https://github.com/boto/botocore/issues/1195>`__)