collection's count() return floating value about txmongo HOT 4 CLOSED

    def _count(self, cmd):
        """Internal count helper."""
        with self._socket_for_reads() as (sock_info, slave_ok):
            res = self._command(sock_info, cmd, slave_ok,
                                allowable_errors=["ns missing"])
        if res.get("errmsg", "") == "ns missing":
            return 0
        return int(res["n"])