[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/services/kernels/kernelmanager.py

@@ -858,7 +858,7 @@ class ServerKernelManager(AsyncIOLoopKernelManager):
         - kernel_manager
         - blocking
         - loop
-        """
+        """,
     )
 
     client_factory = Type(
@@ -867,7 +867,7 @@ class ServerKernelManager(AsyncIOLoopKernelManager):
         help="""The kernel client factory class to use for creating client instances.
 
         This should be a subclass of KernelClient.
-        """
+        """,
     )
 
     # Define activity-related attributes:

tests/services/kernels/test_config.py

@@ -1,9 +1,12 @@
 import pytest
-from traitlets.config import Config
-
 from jupyter_client.blocking.client import BlockingKernelClient
 from jupyter_client.client import KernelClient
-from jupyter_server.services.kernels.kernelmanager import AsyncMappingKernelManager, ServerKernelManager
+from traitlets.config import Config
+
+from jupyter_server.services.kernels.kernelmanager import (
+    AsyncMappingKernelManager,
+    ServerKernelManager,
+)
 from jupyter_server.utils import import_item