[pre-commit.ci] pre-commit autoupdate (#330)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/keewis/blackdoc: v0.3.9 → v0.4.1](keewis/blackdoc@v0.3.9...v0.4.1)
- [github.com/PyCQA/flake8: 7.2.0 → 7.3.0](PyCQA/flake8@7.2.0...7.3.0)

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

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

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -25,12 +25,12 @@ repos:
       - id: black-jupyter
 
   - repo: https://github.com/keewis/blackdoc
-    rev: v0.3.9
+    rev: v0.4.1
     hooks:
       - id: blackdoc
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 7.2.0
+    rev: 7.3.0
     hooks:
       - id: flake8
 

advanced/backends/backends.md

@@ -6,7 +6,8 @@ You can [read different types of files](https://docs.xarray.dev/en/stable/user-g
 
 ```python
 import xarray as xr
-xr.open_dataset("my_file.grib" , engine="cfgrib")
+
+xr.open_dataset("my_file.grib", engine="cfgrib")
 ```
 
 Navigating Xarray backends can be confusing,