cubicweb #16753531 cannot change wf status of a version on jpl-extranet [validation pending]

got:

Dec 19 11:04:11 cwhost circusd[2714]: extranet-jpl (cubicweb.pyramid.session) ERROR: Error in _set_cookie
Dec 19 11:04:11 cwhost circusd[2714]: Traceback (most recent call last):
Dec 19 11:04:11 cwhost circusd[2714]: File "/usr/lib/python2.7/dist-packages/cubicweb/pyramid/session.py", line 18, in newfn
Dec 19 11:04:11 cwhost circusd[2714]: return fn(*args, **kw)
Dec 19 11:04:11 cwhost circusd[2714]: File "/usr/lib/python2.7/dist-packages/cubicweb/pyramid/session.py", line  145, in _set_cookie
Dec 19 11:04:11 cwhost circusd[2714]: cnx.commit()
Dec 19 11:04:11 cwhost circusd[2714]: File "/usr/lib/python2.7/dist-packages/cubicweb/server/session.py", line 188, in check_open
Dec 19 11:04:11 cwhost circusd[2714]: return func(cnx, *args, **kwargs)
Dec 19 11:04:11 cwhost circusd[2714]: File "/usr/lib/python2.7/dist-packages/cubicweb/server/session.py", line 848, in commit
Dec 19 11:04:11 cwhost circusd[2714]: raise QueryError('transaction must be rolled back')
Dec 19 11:04:11 cwhost circusd[2714]: QueryError: transaction must be rolled back
priorityimportant
typebug
done in3.24.4
load left0.000
closed by#327585fd7670 [pyramid] Don't use unsafe_cnx_context_manager for write queries
patch[pyramid] Don't use unsafe_cnx_context_manager for write queries [applied]