clean imports and attributes

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/backend/databricks_client.py

@@ -88,6 +88,7 @@ def execute_command(
     ) -> Union["ResultSet", None]:
         """
         Executes a SQL command or query within the specified session.
+
         This method sends a SQL command to the server for execution and handles
         the response. It can operate in both synchronous and asynchronous modes.
 

src/databricks/sql/backend/sea/utils/http_client.py

@@ -1,7 +1,7 @@
 import json
 import logging
 import requests
-from typing import Callable, Dict, Any, Optional, Union, List, Tuple
+from typing import Callable, Dict, Any, Optional, List, Tuple
 from urllib.parse import urljoin
 
 from databricks.sql.auth.authenticators import AuthProvider

src/databricks/sql/result_set.py

@@ -72,7 +72,7 @@ def __init__(
         self.command_id = command_id
         self.status = status
         self.has_been_closed_server_side = has_been_closed_server_side
-        self._has_more_rows = has_more_rows
+        self.has_more_rows = has_more_rows
         self.results = results_queue
         self._is_staging_operation = is_staging_operation