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
"""Wrapper to interact with the Hive Metastore"""
    
    MAX_PART_COUNT = 32767
    conn_name_attr = 'metastore_conn_id'
    default_conn_name = 'metastore_default'
    conn_type = 'hive_metastore'
    hook_name = 'Hive Metastore Thrift'
    def __init__(self, metastore_conn_id: str = default_conn_name) -> None:
        super().__init__()
        self.conn_id = metastore_conn_id
        self.metastore = self.get_metastore_client()
    def __getstate__(self) -> Dict[str, Any]: