def emit(key, fields):
  print "%s\t%s" % (key, json.dumps(fields))
Given a kind and some json, call insert on that kind
dataset/ETHPy150Open googlegenomics/codelabs/Python/PlatinumGenomes-variant-transformation/gvcf-expand-mapper.py/emit--crossover with--dataset/ETHPy150Open heiskr/sagefy/server/modules/entity.py/instance_new_entity