fix adaptor stuff; thanks to Jinyan for a good test-case
fix adaptor stuff; thanks to Jinyan for a good test-case

shashidhar22/bio-playground,brentp/bio-playground,brentp/bio-playground,shashidhar22/bio-playground,brentp/bio-playground,brentp/bio-playground,shashidhar22/bio-playground,brentp/bio-playground,shashidhar22/bio-playground,shashidhar22/bio-playground,shashidhar22/bio-playground,brentp/bio-playground