update type-hints

Author: mscheltienne

template/_commands/tests/test_main.py

@@ -1,9 +1,11 @@
+from __future__ import annotations
+
 from click.testing import CliRunner
 
 from ..main import run
 
 
-def test_main():
+def test_main() -> None:
     """Test the main package entry-point."""
     runner = CliRunner()
     result = runner.invoke(run, ["--help"])

template/_commands/tests/test_sys_info.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import pytest
 from click.testing import CliRunner