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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def read_until_yieldable(self):
 """Read in additional chunks until it is yieldable."""

        while not self.yieldable():
            read_content, read_position = _get_next_chunk(self.fp, self.read_position, self.chunk_size)
            self.add_to_buffer(read_content, read_position)