[PATCH 3/5] test: fix pylint errors in u_boot_utils.py

[Simon Glass]

On Mon, 22 Nov 2021 at 16:02, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> * 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 at canonical.com>
> ---
>  test/py/u_boot_utils.py | 25 ++++++++++++++-----------
>  1 file changed, 14 insertions(+), 11 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>