packager: Add missing import
afu.py needs to import GBX_EXT from module 'gbs'.
@@ -32,7 +32,7 @@ import jsonschema
import utils
import zipfile
from metadata import metadata
-from gbs import GBS
+from gbs import GBS, GBS_EXT
filepath = os.path.dirname(os.path.realpath(__file__))
schema_path = "schema/afu_schema_v01.json"
