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

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

Author: pre-commit-ci[bot]

ipykernel/tests/test_comm.py

@@ -1,7 +1,7 @@
 import unittest.mock
 
-from ipykernel.comm.comm import BaseComm
 from ipykernel.comm import CommManager
+from ipykernel.comm.comm import BaseComm
 from ipykernel.ipkernel import IPythonKernel
 from ipykernel.kernelbase import Kernel