Fix indentation
diff --git a/build_images.py b/build_images.py
index 4b94167..f6e42fc 100755
--- a/build_images.py
+++ b/build_images.py
@@ -272,10 +272,10 @@
help='The date (YYYYMMDD) as reference for hwpack')
p.add_argument('-w', dest='hwpacks', action='append',
help='The hwpacks to generate for, default=%s' %
- ', '.join(hwpacks))
+ ', '.join(hwpacks))
p.add_argument('-b', dest='binaries', action='append',
help='The binaries to generate for, default=%s' %
- ', '.join(binaries))
+ ', '.join(binaries))
p.add_argument('-p', dest='platform', default='quantal',
help='The platform, default=quantal')
p.add_argument('-r', dest='release', action='store_true', default=False,