diff -r d73b64672238 -r acf02488f37f xmlclass/xmlclass.py
--- a/xmlclass/xmlclass.py	Wed Aug 16 12:48:08 2017 +0300
+++ b/xmlclass/xmlclass.py	Wed Aug 16 12:53:23 2017 +0300
@@ -1655,6 +1655,7 @@
 
 def generateSetChoiceByTypeMethod(factory, choice_types):
     choices = dict([(choice["name"], choice) for choice in choice_types])
+
     def setChoiceMethod(self, content_type):
         if not choices.has_key(content_type):
             raise ValueError("Unknown \"%s\" choice type for \"content\"!" % content_type)
@@ -1668,6 +1669,7 @@
 
 def generateAppendChoiceByTypeMethod(maxOccurs, factory, choice_types):
     choices = dict([(choice["name"], choice) for choice in choice_types])
+
     def appendChoiceMethod(self, content_type):
         if not choices.has_key(content_type):
             raise ValueError("Unknown \"%s\" choice type for \"content\"!" % content_type)
@@ -1684,6 +1686,7 @@
 
 def generateInsertChoiceByTypeMethod(maxOccurs, factory, choice_types):
     choices = dict([(choice["name"], choice) for choice in choice_types])
+
     def insertChoiceMethod(self, index, content_type):
         if not choices.has_key(content_type):
             raise ValueError("Unknown \"%s\" choice type for \"content\"!" % content_type)