Optimize imports

Author: sakthivelmanii

tests/mockserver_tests/test_basics.py

@@ -23,16 +23,17 @@
 from google.cloud.spanner_v1 import TypeCode
 from google.cloud.spanner_v1.testing.mock_spanner import SpannerServicer
 from google.cloud.spanner_v1.transaction import Transaction
-from tests.mockserver_tests.mock_server_test_base import MockServerTestBase
-from tests.mockserver_tests.mock_server_test_base import _make_partial_result_sets
-from tests.mockserver_tests.mock_server_test_base import add_error
+
 from tests.mockserver_tests.mock_server_test_base import (
+    MockServerTestBase,
+    _make_partial_result_sets,
+    add_error,
+    add_select1_result,
+    add_single_result,
+    add_update_count,
+    unavailable_status,
     add_execute_streaming_sql_results,
 )
-from tests.mockserver_tests.mock_server_test_base import add_select1_result
-from tests.mockserver_tests.mock_server_test_base import add_single_result
-from tests.mockserver_tests.mock_server_test_base import add_update_count
-from tests.mockserver_tests.mock_server_test_base import unavailable_status
 
 
 class TestBasics(MockServerTestBase):