Update mypy requirement from ^0.780 to ^0.781

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](https://github.com/python/mypy/compare/v0.780...v0.781)

Signed-off-by: dependabot[bot] <support@github.com>

diff --git a/pyproject.toml b/pyproject.toml
index 017ea575ed4449aa0b4c09857704a68676ac61ce..12ad510425240c13f0ae83b3afb23d5174062521 100644 (file)
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ curio = {version="^1.2", optional=true}
 sniffio = {version="^1.1", optional=true}
 
 [tool.poetry.dev-dependencies]
-mypy = "^0.780"
+mypy = "^0.781"
 pytest = "^5.4.1"
 flake8 = "^3.7.9"
 sphinx = "^3.0.0"