Add missing import

Tobias-Fischer · web-flow · commit 5e1ddb8b7d9e · 2023-05-11T10:38:34.000+10:00
diff --git a/download_models.py b/download_models.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import os
+import argparse
 import urllib.request
 from patchnetvlad.tools import PATCHNETVLAD_ROOT_DIR
 
