Remove the wrapper from the class.

jedi/evaluate/__init__.py

@@ -213,7 +213,7 @@ class Evaluator(object):
                                 new_name_dicts = list(original_name_dicts)
                                 for i, name_dict in enumerate(new_name_dicts):
                                     new_name_dicts[i] = name_dict.copy()
-                                    new_name_dicts[i][str(if_name)] = [definition]
+                                    new_name_dicts[i][str(if_name)] = set([definition])
 
                                 name_dicts += new_name_dicts
                         else:

jedi/evaluate/context.py

@@ -56,6 +56,16 @@ class Context(object):
     def create_context(self, node):
         return self.evaluator.create_context(self, node)
 
+    def is_class(self):
+        return False
+
+    def py__bool__(self):
+        """
+        Since Wrapper is a super class for classes, functions and modules,
+        the return value will always be true.
+        """
+        return True
+
 
 class TreeContext(Context):
     def __init__(self, evaluator, parent_context=None):

jedi/evaluate/representation.py

@@ -74,22 +74,7 @@ class Executed(context.TreeContext):
         return True
 
 
-class Wrapper(tree.Base):
+class ClassContext(use_metaclass(CachedMetaClass, context.TreeContext)):
-    def is_scope(self):
-        return True
-
-    def is_class(self):
-        return False
-
-    def py__bool__(self):
-        """
-        Since Wrapper is a super class for classes, functions and modules,
-        the return value will always be true.
-        """
-        return True
-
-
-class ClassContext(use_metaclass(CachedMetaClass, context.TreeContext, Wrapper)):
     """
     This class is not only important to extend `tree.Class`, it is also a
     important for descriptors (if the descriptor methods are evaluated or not).
@@ -207,7 +192,7 @@ class ClassContext(use_metaclass(CachedMetaClass, context.TreeContext, Wrapper))
         return ContextName(self, self.classdef.name)
 
 
-class FunctionContext(use_metaclass(CachedMetaClass, context.TreeContext, Wrapper)):
+class FunctionContext(use_metaclass(CachedMetaClass, context.TreeContext)):
     """
     Needed because of decorators. Decorators are evaluated here.
     """
@@ -457,7 +442,7 @@ class ModuleAttributeName(AbstractNameDefinition):
         )
 
 
-class ModuleContext(use_metaclass(CachedMetaClass, context.TreeContext, Wrapper)):
+class ModuleContext(use_metaclass(CachedMetaClass, context.TreeContext)):
     api_type = 'module'
     parent_context = None