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

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

Author: pre-commit-ci[bot]

xarray/__init__.py

@@ -64,7 +64,7 @@
 
 # A hardcoded __all__ variable is necessary to appease
 # `mypy --strict` running in projects that import xarray.
-__all__ = (  # noqa: RUF022
+__all__ = (
     # Sub-packages
     "groupers",
     "testing",