Index: build.py |
diff --git a/build.py b/build.py |
index 0ecab321b8b9f423f0b69d1cb8606a81b587203c..2ecf25f161313afc194f5e69f3017dd9b7ba47f0 100644 |
--- a/build.py |
+++ b/build.py |
@@ -11,7 +11,7 @@ from getopt import getopt, GetoptError |
from StringIO import StringIO |
from zipfile import ZipFile |
-knownTypes = ('gecko-webext', 'chrome', 'generic', 'edge') |
+knownTypes = {'gecko-webext', 'chrome', 'generic', 'edge'} |
class Command(object): |