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

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Author: pre-commit-ci[bot]

pylammpsmpi/wrapper/concurrent.py

@@ -1,8 +1,8 @@
 # Copyright (c) Max-Planck-Institut für Eisenforschung GmbH - Computational Materials Design (CM) Department
 # Distributed under the terms of "New BSD License", see the LICENSE file.
 
-import os
 import contextlib
+import os
 from concurrent.futures import Future
 
 from executorlib import SingleNodeExecutor