Bump pytest from 6.1.1 to 6.1.2 (#38)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.1.1...6.1.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

poetry.lock

@@ -20,7 +20,7 @@ black = "^20.8b0"
 mypy = "^0.790"
 flake8 = "^3.8.4"
 ipython = { version = "^7.18.0", python = "^3.7" }
-pytest = "^6.1.1"
+pytest = "^6.1.2"
 pytest-cov = "^2.10.1"
 
 [build-system]