def _pop_new_chunk(self):
        if self.chunks_exhausted:
            return b""
        try:
            chunk = self.content[self.index]
        except __HOLE__:
            chunk = b''
            self.chunks_exhausted = True
        else:
            self.index += 1
        chunk = self._encode_chunk(chunk)
        if not isinstance(chunk, bytes):
            chunk = chunk.encode()
        return chunk
dataset/ETHPy150Open shazow/urllib3/test/test_response.py/MockChunkedEncodingResponse._pop_new_chunk