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

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tests/test_kernelapp.py

@@ -12,6 +12,7 @@
 from .conftest import MockKernel
 from .utils import TemporaryWorkingDirectory
 
+
 @pytest.mark.skipif(os.name == "nt", reason="requires ipc")
 def test_init_ipc_socket():
     app = IPKernelApp(transport="ipc")