tools: pylint dbus_exporter.py

tools/dbus_exporter.py

@@ -2,7 +2,8 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 from argparse import ArgumentParser
 from pathlib import Path
-from subprocess import run, PIPE
+from subprocess import PIPE, run
+
 
 def extract_interfaces_xml(output_dir, executable):
     proc = run(