Merge pull request #541 from staticdev/dependabot/pip/black-21.12b0

Bump black from 21.11b1 to 21.12b0

Author: staticdev

poetry.lock

@@ -45,7 +45,7 @@ darglint = "^1.8.1"
 reorder-python-imports = "^2.6.0"
 pre-commit-hooks = "^4.0.1"
 pytest_mock = "^3.6.1"
-black = "^21.10b0"
+black = "^21.12b0"
 sphinx-click = "^3.0.2"
 types-PyYAML = "^6.0.1"
 coverage = {version = "6.2", extras = ["toml"]}