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-rw-r--r--sleekxmpp/features/feature_mechanisms/mechanisms.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/sleekxmpp/features/feature_mechanisms/mechanisms.py b/sleekxmpp/features/feature_mechanisms/mechanisms.py
index 9f3c47f6..555d8fad 100644
--- a/sleekxmpp/features/feature_mechanisms/mechanisms.py
+++ b/sleekxmpp/features/feature_mechanisms/mechanisms.py
@@ -98,7 +98,7 @@ class FeatureMechanisms(BasePlugin):
jid = self.xmpp.requested_jid.bare
result[value] = creds.get('email', jid)
elif value == 'channel_binding':
- if sys.version_info >= (3, 3):
+ if hasattr(self.xmpp.socket, 'get_channel_binding'):
result[value] = self.xmpp.socket.get_channel_binding()
else:
result[value] = None