https://github.com/apache/airflow/blob/6c458f29c0eeadb1282e524e76fdd379d6436824/airflow/providers/apache/hive/hooks/hive.py#L464

It should be:
```
if hasattr(self, 'sub_process')
```
airflow/providers/apache/hive/hooks/hive.py
pairs will be considered as candidates of max partition.
        :type filter_map: map
        :return: Max partition or None if part_specs is empty.
        :rtype: basestring
        """
        if not part_specs:
            return None
        
        if partition_key not in part_specs[0].keys():
            raise AirflowException(f"Provided partition_key {partition_key} is not in part_specs.")
        is_subset = None
        if filter_map:
            is_subset = set(filter_map.keys()).issubset(set(part_specs[0].keys()))
        if filter_map and not is_subset:
            raise AirflowException(
                "Keys in provided filter_map {} "
                "are not subset of part_spec keys: {}".format(
                    ', '.join(filter_map.keys()), ', '.join(part_specs[0].keys())
                )
            )
        candidates = [
            p_dict[partition_key]
            for p_dict in part_specs
            if filter_map is None or all(item in p_dict.items() for item in filter_map.items())
        ]
        if not candidates:
            return None
        else:
            return max(candidates)
    def max_partition(