diff --git a/sql/engines/test_cassandra.py b/sql/engines/test_cassandra.py
index 6f167fd122..0c04ba6b03 100644
--- a/sql/engines/test_cassandra.py
+++ b/sql/engines/test_cassandra.py
@@ -82,7 +82,9 @@ def test_get_all_tables(self, mock_query):
     def test_describe_table(self, mock_query):
         mock_query.return_value = ResultSet()
         self.engine.describe_table("some_db", "some_table")
-        mock_query.assert_called_once_with(db_name="some_db", sql="describe table some_table")
+        mock_query.assert_called_once_with(
+            db_name="some_db", sql="describe table some_table"
+        )
 
     @patch("sql.engines.cassandra.CassandraEngine.query")
     def test_get_all_columns_by_tb(self, mock_query):
diff --git a/sql/tests.py b/sql/tests.py
index c04348c03c..c667c40ff2 100644
--- a/sql/tests.py
+++ b/sql/tests.py
@@ -1,5 +1,4 @@
 import json
-import re
 import unittest
 from datetime import timedelta, datetime, date
 from unittest.mock import MagicMock, patch, ANY
@@ -745,7 +744,7 @@ def test_query_priv_check_tb_priv_exist(self, __db_priv, __tb_priv, __table_ref)
     @patch("sql.query_privileges._tb_priv", return_value=False)
     @patch("sql.query_privileges._db_priv", return_value=False)
     def test_query_priv_check_table_ref_Exception_and_no_db_priv(
-            self, __db_priv, __tb_priv, __table_ref
+        self, __db_priv, __tb_priv, __table_ref
     ):
         """
         测试用户权限校验，mysql实例、普通用户 ，inception语法树抛出异常
@@ -2552,7 +2551,7 @@ def test_param_history(self):
     @patch("sql.engines.mysql.MysqlEngine.get_variables")
     @patch("sql.engines.get_engine")
     def test_param_edit_variable_not_config(
-            self, _get_engine, _get_variables, _set_variable
+        self, _get_engine, _get_variables, _set_variable
     ):
         """
         测试参数修改，参数未在模板配置
@@ -2572,7 +2571,7 @@ def test_param_edit_variable_not_config(
     @patch("sql.engines.mysql.MysqlEngine.get_variables")
     @patch("sql.engines.get_engine")
     def test_param_edit_variable_not_change(
-            self, _get_engine, _get_variables, _set_variable
+        self, _get_engine, _get_variables, _set_variable
     ):
         """
         测试参数修改，已在参数模板配置，但是值无变化
@@ -2602,7 +2601,7 @@ def test_param_edit_variable_not_change(
     @patch("sql.engines.mysql.MysqlEngine.get_variables")
     @patch("sql.engines.get_engine")
     def test_param_edit_variable_change(
-            self, _get_engine, _get_variables, _set_variable
+        self, _get_engine, _get_variables, _set_variable
     ):
         """
         测试参数修改，已在参数模板配置，且值有变化
@@ -2632,7 +2631,7 @@ def test_param_edit_variable_change(
     @patch("sql.engines.mysql.MysqlEngine.get_variables")
     @patch("sql.engines.get_engine")
     def test_param_edit_variable_error(
-            self, _get_engine, _get_variables, _set_variable
+        self, _get_engine, _get_variables, _set_variable
     ):
         """
         测试参数修改，已在参数模板配置，修改抛错
@@ -2837,7 +2836,7 @@ def test_notify_for_sqlreview_audit_abort(self, _auth_group_users, _msg_sender):
     @patch("sql.notify.MsgSender")
     @patch("sql.notify.auth_group_users")
     def test_notify_for_sqlreview_wrong_workflow_type(
-            self, _auth_group_users, _msg_sender
+        self, _auth_group_users, _msg_sender
     ):
         """
         测试不存在的工单类型
@@ -2857,7 +2856,7 @@ def test_notify_for_sqlreview_wrong_workflow_type(
     @patch("sql.notify.MsgSender")
     @patch("sql.notify.auth_group_users")
     def test_notify_for_query_audit_wait_apply_db_perm(
-            self, _auth_group_users, _msg_sender
+        self, _auth_group_users, _msg_sender
     ):
         """
         测试查询申请库权限
@@ -2883,7 +2882,7 @@ def test_notify_for_query_audit_wait_apply_db_perm(
     @patch("sql.notify.MsgSender")
     @patch("sql.notify.auth_group_users")
     def test_notify_for_query_audit_wait_apply_tb_perm(
-            self, _auth_group_users, _msg_sender
+        self, _auth_group_users, _msg_sender
     ):
         """
         测试查询申请表权限