coverage>=4.5.3,<5.1
docutils>=0.15,<0.17
flake8>=3.7,<3.8
pytest>=3.6,<5.5
pytest-cov>=2.7.1,<2.9
isort>=4.3.20,<4.4

coverage>=4.5.3,<5.2
docutils>=0.15,<0.17
flake8>=3.7,<3.8
pytest>=3.6,<5.5
pytest-cov>=2.7.1,<2.9
isort>=4.3.20,<4.4

Update coverage requirement from <5.1,>=4.5.3 to >=4.5.3,<5.2
Update coverage requirement from <5.1,>=4.5.3 to >=4.5.3,<5.2

Updates the requirements on [coverage](https://github.com/nedbat/coveragepy) to permit the latest version.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](https://github.com/nedbat/coveragepy/compare/coverage-4.5.3...coverage-5.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>