diff --git a/build/usr/lib/python3.6/lxcbuild/imagepacker.py b/build/usr/lib/python3.6/lxcbuild/imagepacker.py
index 4ce7fd9..f423dfa 100644
--- a/build/usr/lib/python3.6/lxcbuild/imagepacker.py
+++ b/build/usr/lib/python3.6/lxcbuild/imagepacker.py
@@ -7,7 +7,7 @@ from lxcmgr.paths import LXC_STORAGE_DIR
 from lxcmgr.pkgmgr import PkgMgr
 
 from . import crypto
-from .packer import Packer
+from .packer import PackageExistsError, Packer
 from .paths import REPO_IMAGES_DIR
 
 class ImagePacker(Packer):