[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

xwrf/__init__.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # flake8: noqa
-""" Top-level module. """
+"""Top-level module."""
 
 from importlib.metadata import PackageNotFoundError, version