FreeCAD Macro to replace all placements with Nullplacements. This is important when using Assembly2 Workbench, to allow correct placement there.

ReplaceNonNullPlacements.FCMacro

print("Checking replacing all placements with default.")
print("===============================================")
for b in App.activeDocument().findObjects("PartDesign::Body"):
	if not b.Placement.isNull():
		print("!!! Body {} has a non null placement --> resetting!".format(b.Label))

		b.Placement.Base = FreeCAD.Base.Vector()
		b.Placement.Rotation = FreeCAD.Base.Rotation()
	else:
		print("Body {} looks fine...".format(b.Label))
print("done...")