cubicweb-openidrelay #2353458 crash with cw 3.15 [resolved]

due to pyves refactoring

priorityimportant
typebug
done in0.2.0
load1.000
load left0.000
closed by#84a7f3e10773 [logform] adapt to cubicweb 3.15 changes. Closes #2353458