def receive_data_chunk(self, raw_data, start):
        if self.activated:
            self.file.write(raw_data)
        else:
            return raw_data
Add the data to the BytesIO file.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/core/files/uploadhandler.py/MemoryFileUploadHandler.receive_data_chunk