Dear Sir/Madam,

could you please help us analyze the problems encountered in recent Lava tests?  

Detailed log in the attachment.

lava-dispatcher version:  2018.11+stretch.

The key information is as follows:     Bug error: argument of type 'NoneType' is not iterable

Chase Qi preliminary positioning is a lava bug. We look forward to your reply.

    Thank you for your assistance.

Best Regards,

Caili Liu