refactor to only call super.__init__ in one place
refactor to only call super.__init__ in one place

in so doing, clear up possible bug with double-calling init

acq4/acq4,acq4/acq4,pbmanis/acq4,pbmanis/acq4,campagnola/acq4,acq4/acq4,pbmanis/acq4,pbmanis/acq4,acq4/acq4,campagnola/acq4,campagnola/acq4,campagnola/acq4