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
"""Returns a Hive connection object."""
        username: Optional[str] = None
        password: Optional[str] = None
        
        db = self.get_connection(self.hiveserver2_conn_id)  
        auth_mechanism = db.extra_dejson.get('authMechanism', 'NONE')
        if auth_mechanism == 'NONE' and db.login is None:
            
            username = 'airflow'
        kerberos_service_name = None
        if conf.get('core', 'security') == 'kerberos':
            auth_mechanism = db.extra_dejson.get('authMechanism', 'KERBEROS')
            kerberos_service_name = db.extra_dejson.get('kerberos_service_name', 'hive')
        
        if auth_mechanism == 'GSSAPI':
            self.log.warning(
                "Detected deprecated 'GSSAPI' for authMechanism for %s. Please use 'KERBEROS' instead",
                self.hiveserver2_conn_id,  
            )
            auth_mechanism = 'KERBEROS'
        
        if auth_mechanism in ('LDAP', 'CUSTOM'):
            password = db.password
        from pyhive.hive import connect
        return connect(
            host=db.host,