Add sign

Signed-off-by: Minhyeok LEE <130422754+raccoon-mh@users.noreply.github.com>

Author: raccoon-mh

pkg/pip_requirements.txt

@@ -5,4 +5,4 @@ google-cloud-storage
 requests
 beautifulsoup4
 grpcio
-PySocks # for proxy support
+PySocks # for proxy support