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

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voila/configuration.py

@@ -215,5 +215,5 @@ def _valid_file_blacklist(self, proposal):
     attempt_fix_notebook = Bool(
         True,
         config=True,
-        help="""Whether or not voila should attempt to fix and resolve a notebooks kernelspec metadata"""
+        help="""Whether or not voila should attempt to fix and resolve a notebooks kernelspec metadata""",
     )