fixed as commented by amol here: https://github.com/axant/tgext.evolve/commit/f9e0879a0b294d8842e41a7c46b04a1955c389d9\#r30402597
fixed as commented by amol here: https://github.com/axant/tgext.evolve/commit/f9e0879a0b294d8842e41a7c46b04a1955c389d9\#r30402597

axant/tgext.evolve