adb_shell command - fix pycodestyle
@@ -129,7 +129,7 @@ COMMAND_KWARGS_selected_device = {
COMMAND_RESULT_selected_device = {}
-COMMAND_OUTPUT_serial_number_generated_prompt = """
+COMMAND_OUTPUT_serial_number_generated_prompt = r"""
xyz@debian ~$ adb -s f57e6b77 shell
shell@adbhost:/ $
shell@adbhost:/ $ export PS1="adb_shell@f57e6b77 \$ "
