chore: bump to 1.9.1 (#252)

Author: heitorlessa

CHANGELOG.md

@@ -5,11 +5,17 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-- **Docs**: Add clarification to Tracer docs for how `capture_method` decorator can cause function responses to be read and serialized.
+
+## [1.9.1] - 2020-12-21
 
 ### Fixed
 - **Logger**: Bugfix to prevent parent loggers with the same name being configured more than once
 
+### Added
+- **Docs**: Add clarification to Tracer docs for how `capture_method` decorator can cause function responses to be read and serialized.
+- **Utilities**: Added equality to ease testing Event source data classes
+- **Package**: Added `py.typed` for initial work needed for PEP 561 compliance
+
 ## [1.9.0] - 2020-12-04
 
 ### Added

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aws_lambda_powertools"
-version = "1.9.0"
+version = "1.9.1"
 description = "Python utilities for AWS Lambda functions including but not limited to tracing, logging and custom metric"
 authors = ["Amazon Web Services"]
 include = ["aws_lambda_powertools/py.typed"]