[RFC 8/8] test: clean up test_trace.py code

[Simon Glass]

On Sat, 20 Dec 2025 at 18:59, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> * Add module doc string
> * Correct sequence of imports
> * Correct long exceeding 100 characters
> * Remove unused variables
> * Remove module level invocation of check_flamegraph
> * Add encoding to open() calls
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
>  test/py/tests/test_trace.py | 35 +++++++++++++++++------------------
>  1 file changed, 17 insertions(+), 18 deletions(-)

Reviewed-by: Simon Glass <simon.glass at canonical.com>

Thanks for the clean-up.