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

slixmpp/plugins/xep_0184/receipt.py

@@ -24,7 +24,7 @@ class XEP_0184(BasePlugin):
 
     name = 'xep_0184'
     description = 'XEP-0184: Message Delivery Receipts'
-    dependencies = set(['xep_0030'])
+    dependencies = {'xep_0030'}
     stanza = stanza
     default_config = {
         'auto_ack': True,

slixmpp/plugins/xep_0184/stanza.py

@@ -45,7 +45,7 @@ class Received(ElementBase):
     namespace = 'urn:xmpp:receipts'
     name = 'received'
     plugin_attrib = 'receipt'
-    interfaces = set(['receipt'])
+    interfaces = {'receipt'}
     sub_interfaces = interfaces
     is_extension = True