diff --git a/tools/conv.py b/tools/conv.py
index 5a535a8bd..541a0b75d 100644
--- a/tools/conv.py
+++ b/tools/conv.py
@@ -1,6 +1,7 @@
 import argparse
-import os, sys
+import os
 import sqlite3
+import sys
 from typing import List
 
 import psycopg2