def startProducing(consumer):
Returns an ErrorDict for self.data
dataset/ETHPy150Open scrapy/scrapy/scrapy/xlib/tx/iweb.py/IBodyProducer.startProducing--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/newforms/forms.py/BaseForm._errors