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

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

Author: pre-commit-ci[bot]

tests/test_terminal.py

@@ -276,7 +276,10 @@ def test_shell_command_override(
     pytest.importorskip("traitlets", minversion=min_traitlets)
     argv = shlex.split(f"--ServerApp.terminado_settings={terminado_settings}")
     app = jp_configurable_serverapp(argv=argv)
-    if os.name == 'nt':
-        assert app.web_app.settings["terminal_manager"].shell_command in (expected_shell, ' '.join(expected_shell))
+    if os.name == "nt":
+        assert app.web_app.settings["terminal_manager"].shell_command in (
+            expected_shell,
+            " ".join(expected_shell),
+        )
     else:
         assert app.web_app.settings["terminal_manager"].shell_command == expected_shell