Merge pull request #39 from Woile/dependabot/pip/mypy-tw-0.740

chore(deps-dev): update mypy requirement from ^0.730 to ^0.740

Author: woile

pyproject.toml

@@ -60,7 +60,7 @@ flake8 = "^3.6"
 pytest-cov = "^2.6"
 pytest-mock = "^1.10"
 codecov = "^2.0"
-mypy = "^0.730"
+mypy = "^0.740"
 mkdocs = "^1.0"
 mkdocs-material = "^4.1"