Amber guyger has the right to appeal her sentence on these grounds

Post-traumatic stress disorder can occur in many situations and can be affected by stressors. These stressors can cause people to react in such a way that they normally would not. Perhaps the stressors in my video Cause Amber guyger to create a reaction process that was beyond the pale. This is a good way for the fight to continue on towards a appeal.

Source: Youtube