python3Packages.async-modbus: test with pytest-asyncio

Changed files
+2
pkgs
development
python-modules
async-modbus
+2
pkgs/development/python-modules/async-modbus/default.nix
···
connio,
fetchFromGitHub,
fetchpatch,
+
pytest-asyncio,
pytest-cov-stub,
pytestCheckHook,
pythonOlder,
···
];
nativeCheckInputs = [
+
pytest-asyncio
pytest-cov-stub
pytestCheckHook
];