Fix tools linting

tools/packages.py

@@ -1,10 +1,7 @@
 #!/usr/bin/env python3
 
-import json
-import sys
 from argparse import ArgumentParser
 from configparser import ConfigParser
-from os import PathLike
 from pathlib import Path
 from typing import Iterator, Set
 
@@ -62,7 +59,7 @@ def run():
         choices=FORMATS,
         help="print packages list in a specific format.",
         default="list",
-    ),
+    )
     parser.add_argument(
         "-d",
         "--dev",