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

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

Author: pre-commit-ci[bot]

jupyter_server/serverapp.py

@@ -1643,13 +1643,17 @@ def _update_notebook_dir(self, change):
         None,
         allow_none=True,
         config=True,
-        help=_i18n("The directory to look at for external kernel connection files, if allow_external_kernels is True. Defaults to Jupyter runtime_dir/external_kernels."),
+        help=_i18n(
+            "The directory to look at for external kernel connection files, if allow_external_kernels is True. Defaults to Jupyter runtime_dir/external_kernels."
+        ),
     )
 
     allow_external_kernels = Bool(
         False,
         config=True,
-        help=_i18n("Whether or not to allow external kernels, whose connection files are placed in external_connection_dir."),
+        help=_i18n(
+            "Whether or not to allow external kernels, whose connection files are placed in external_connection_dir."
+        ),
     )
 
     root_dir = Unicode(config=True, help=_i18n("The directory to use for notebooks and kernels."))