Merge pull request #47 from nttpc/dependabot/pip/coverage-5.3

Bump coverage from 5.2.1 to 5.3

Author: ykumi

poetry.lock

@@ -25,7 +25,7 @@ cv = ["opencv-python"]
 [tool.poetry.dev-dependencies]
 bandit = "^1.6.2"
 black = "^20.8b1"
-coverage = "^5.2"
+coverage = "^5.3"
 flake8 = "^3.8.3"
 flake8-bugbear = "^20.1.4"
 flake8-docstrings = "^1.5.0"