def __init__(self, *, strict=True):
self._newflg = False    <EOL>self._strflg = strict   <EOL>self._buffer = dict()   <EOL>self._dtgram = list()<EOL>
Initialise packet reassembly.

        Keyword arguments:
            * strict -- bool, if return all datagrams (including those not
                        implemented) when submit (default is True)
                            <keyword> True / False