apply pre-commit

Author: dionhaefner

docs/conf.py

@@ -78,4 +78,4 @@
 for example_notebook in Path("../demo").glob("*/demo.ipynb"):
     # Copy the example notebook to the docs folder
     dest = (Path("demo_notebooks") / example_notebook.parent.name).with_suffix(".ipynb")
-    shutil.copyfile(example_notebook, dest)
+    shutil.copyfile(example_notebook, dest)