def __init__(self, unsafeTracebacks=False, security=globalSecurity):
        """
        @param unsafeTracebacks: if set, tracebacks for exceptions will be sent
            over the wire.
        @type unsafeTracebacks: C{bool}

        @param security: security options used by the broker, default to
            C{globalSecurity}.
        @type security: L{twisted.spread.jelly.SecurityOptions}
        """
        self.unsafeTracebacks = unsafeTracebacks
        self.security = security
        self._reset()

        @param unsafeTracebacks: if set, tracebacks for exceptions will be sent
            over the wire.
        @type unsafeTracebacks: C{bool}

        @param security: security options used by the broker, default to
            C{globalSecurity}.
        @type security: L{twisted.spread.jelly.SecurityOptions}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/spread/pb.py