remove unused imports

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

Author: varun-edachali-dbx

src/databricks/sql/result_set.py

@@ -1,8 +1,7 @@
 from abc import ABC, abstractmethod
-from typing import List, Optional, Any, Union, Tuple, TYPE_CHECKING
+from typing import List, Optional, TYPE_CHECKING
 
 import logging
-import time
 import pandas
 
 from databricks.sql.backend.sea.backend import SeaDatabricksClient
@@ -17,9 +16,8 @@
     from databricks.sql.backend.thrift_backend import ThriftDatabricksClient
     from databricks.sql.client import Connection
 from databricks.sql.backend.databricks_client import DatabricksClient
-from databricks.sql.thrift_api.TCLIService import ttypes
 from databricks.sql.types import Row
-from databricks.sql.exc import Error, RequestError, CursorAlreadyClosedError
+from databricks.sql.exc import RequestError, CursorAlreadyClosedError
 from databricks.sql.utils import (
     ColumnTable,
     ColumnQueue,