It seems like the use of the cache @ https://github.com/openstack/mistral/blob/master/mistral/workflow/lookup_utils.py#L62 to get upstream task executions leads to getting the wrong in_context.
It seems like the use of the cache @ https:/ /github. com/openstack/ mistral/ blob/master/ mistral/ workflow/ lookup_ utils.py# L62 to get upstream task executions leads to getting the wrong in_context.