cubicweb #1058268 crash on restart [resolved]

trace:

auc@crater:~/cw$ ctl restart  -D pegase_web -l info
Traceback (most recent call last):
 File "/home/auc/src/fcw/cubicweb/cwctl.py", line 148, in run_arg
   status = cmdmeth(appid)
 File "/home/auc/src/fcw/cubicweb/cwctl.py", line 584, in restart_instance
   StopInstanceCommand().stop_instance(appid)
 File "/home/auc/src/fcw/cubicweb/cwctl.py", line 519, in stop_instance
   helper.poststop() # do this anyway
AttributeError: 'TWStopHandler' object has no attribute 'poststop'
instance pegase_web not restarted: 'TWStopHandler' object has no attribute 'poststop'
prioritynormal
typebug
done in3.8.5
load0.100
load left0.000
closed by<not specified>