cubicweb-subprocess #4094907 use hook.DataOperationMixIn instead of hook.Operation [resolved]

prioritynormal
typeenhancement
done in0.2.0
load0.500
load left0.000
closed by#9e0d4da98a8c [hooks] use a data operation. Closes #4094907.
patch[hooks] use a data operation. Closes #4094907. [applied]