Fix typo in earlier patch that fixed pycodestyle
Fix typo in earlier patch that fixed pycodestyle

The previous fix for a pycodestyle error due to a short variable name
was not correct, this fixes it.

Fixes: d73e4a2cdb34 ("Fix pycodestyle error in callback/lava.py")
Signed-off-by: Guillaume Tucker <e7e20b7c30f19d4ca6b81319ef81bf200369d137@collabora.com>

kernelci/kernelci-backend,kernelci/kernelci-backend