sed -i 's/set((\(.*\)))$/{\1}/g' **/*.py

slixmpp/features/feature_bind/stanza.py

@@ -16,6 +16,6 @@ class Bind(ElementBase):
 
     name = 'bind'
     namespace = 'urn:ietf:params:xml:ns:xmpp-bind'
-    interfaces = set(('resource', 'jid'))
+    interfaces = {'resource', 'jid'}
     sub_interfaces = interfaces
     plugin_attrib = 'bind'

slixmpp/features/feature_mechanisms/stanza/auth.py

@@ -19,7 +19,7 @@ class Auth(StanzaBase):
 
     name = 'auth'
     namespace = 'urn:ietf:params:xml:ns:xmpp-sasl'
-    interfaces = set(('mechanism', 'value'))
+    interfaces = {'mechanism', 'value'}
     plugin_attrib = name
 
     #: Some SASL mechs require sending values as is,

slixmpp/features/feature_mechanisms/stanza/failure.py

@@ -16,7 +16,7 @@ class Failure(StanzaBase):
 
     name = 'failure'
     namespace = 'urn:ietf:params:xml:ns:xmpp-sasl'
-    interfaces = set(('condition', 'text'))
+    interfaces = {'condition', 'text'}
     plugin_attrib = name
     sub_interfaces = {'text'}
     conditions = set(('aborted', 'account-disabled', 'credentials-expired',

slixmpp/features/feature_mechanisms/stanza/mechanisms.py

@@ -16,7 +16,7 @@ class Mechanisms(ElementBase):
 
     name = 'mechanisms'
     namespace = 'urn:ietf:params:xml:ns:xmpp-sasl'
-    interfaces = set(('mechanisms', 'required'))
+    interfaces = {'mechanisms', 'required'}
     plugin_attrib = name
     is_extension = True