NO-SNOW: CLean up

Author: sfc-gh-fpawlowski

test/integ/test_connection.py

@@ -19,7 +19,10 @@
 import snowflake.connector
 from snowflake.connector import DatabaseError, OperationalError, ProgrammingError
 from snowflake.connector.compat import IS_WINDOWS
-from snowflake.connector.connection import DEFAULT_CLIENT_PREFETCH_THREADS
+from snowflake.connector.connection import (
+    DEFAULT_CLIENT_PREFETCH_THREADS,
+    SnowflakeConnection,
+)
 from snowflake.connector.description import CLIENT_NAME
 from snowflake.connector.errorcode import (
     ER_CONNECTION_IS_CLOSED,