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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 _connect(self):
 """ establish transport connection """


        if self.recvConn:
            if self.pid != os.getpid():
                raise UseAfterFork(
                    "do not re-use a connection after fork; open a new client instead"
                )
            return

        if self.sockpath is None:
            self.sockpath = self._resolvesockname()

        kwargs = {}
        if self.transport == CLIProcessTransport:
            kwargs["binpath"] = self.binpath

        self.tport = self.transport(self.sockpath, self.timeout, **kwargs)
        self.sendConn = self.sendCodec(self.tport)
        self.recvConn = self.recvCodec(self.tport)
        self.pid = os.getpid()