[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

README.md

@@ -45,7 +45,7 @@ Collection of awesome Python resources for testing and generating test data.
 - [lettuce](https://github.com/gabrielfalcao/lettuce) - Behavior-driven-development tool for python, inspired by Cucumber for Ruby.
 - [mamba](http://nestorsalceda.github.io/mamba) - The definitive testing tool for Python. Born under the banner of BDD.
 - [pytest-pyspec](https://github.com/felipecrp/pytest-pyspec) - Transforms pytest output into a beautiful, readable format similar to RSpec. It provides semantic meaning to your tests by organizing them into descriptive hierarchies.
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 ## Code Coverage
 
 - [Coverage.py](https://github.com/nedbat/coveragepy) - is a tool for measuring code coverage of Python programs.