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-rw-r--r--slixmpp/stanza/atom.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/slixmpp/stanza/atom.py b/slixmpp/stanza/atom.py
index c7192dd8..8dde00de 100644
--- a/slixmpp/stanza/atom.py
+++ b/slixmpp/stanza/atom.py
@@ -22,8 +22,7 @@ class AtomEntry(ElementBase):
name = 'entry'
plugin_attrib = 'entry'
interfaces = {'title', 'summary', 'id', 'published', 'updated'}
- sub_interfaces = set(('title', 'summary', 'id', 'published',
- 'updated'))
+ sub_interfaces = {'title', 'summary', 'id', 'published', 'updated'}
class AtomAuthor(ElementBase):