Heinrich Schuchardt 9aa1a14d13 test: fix pylint errors in u_boot_utils.py ...

* there is no os.path.unlink() method
* don't inherit from object
* add module docstring
* move imports to the top
* avoid unused variable

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

2021-11-26 22:02:37 +01:00

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