plone/plone.app.discussion — comment on commit 07b8ebc5df6d60f6b561771143304099beb6df4e
File:  line 0
By erral:

Doesn't this change break p.a.d? My Plone raises an exception:

TypeError: generatedMutator() takes exactly 2 arguments (1 given)

setModificationDate needs a DateTime object as a parameter to set the modification date-time doesn't it?