Cannot sync DataFrame parameter about panel HOT 1 CLOSED

if hasattr(equal, "all"):
    equal = equal.all().all()

    def _update_synced(self, event: param.parameterized.Event = None) -> None:
        if self._syncing:
            return
        query_params = self.query_params
        for p, parameters, _, on_error in self._synced:
            mapping = {v: k for k, v in parameters.items()}
            mapped = {}
            for k, v in query_params.items():
                if k not in mapping:
                    continue
                pname = mapping[k]
                try:
                    v = p.param[pname].deserialize(v)
                except Exception:
                    pass
                try:
                    equal = v == getattr(p, pname)
                except Exception:
                    equal = False
                if hasattr(equal, "all"):
                    equal = equal.all().all()
                if not equal:
                    mapped[pname] = v               
            try:
                p.param.update(**mapped)
            except Exception:
                if on_error:
                    on_error(mapped)