diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index 54e3f587..1f96ff55 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -218,26 +218,20 @@ class Script(object):
             for s in scopes:
                 if s.isinstance(er.Function):
                     names = s.get_magic_function_names()
-                else:
-                    if isinstance(s, imports.ImportWrapper):
-                        under = like + self._user_context.get_path_after_cursor()
-                        if under == 'import':
-                            current_line = self._user_context.get_position_line()
-                            if not current_line.endswith('import import'):
-                                continue
-                        a = s.import_stmt.alias
-                        if a and a.start_pos <= self._pos <= a.end_pos:
+                elif isinstance(s, imports.ImportWrapper):
+                    under = like + self._user_context.get_path_after_cursor()
+                    if under == 'import':
+                        current_line = self._user_context.get_position_line()
+                        if not current_line.endswith('import import'):
                             continue
-                        names = s.get_defined_names(on_import_stmt=True)
-                    else:
-                        try:
-                            sng = s.scope_names_generator
-                        except AttributeError:
-                            names = s.get_defined_names()
-                        else:
-                            names = []
-                            for _, new_names in sng():
-                                names += new_names
+                    a = s.import_stmt.alias
+                    if a and a.start_pos <= self._pos <= a.end_pos:
+                        continue
+                    names = s.get_defined_names(on_import_stmt=True)
+                else:
+                    names = []
+                    for _, new_names in s.scope_names_generator():
+                        names += new_names
 
                 for c in names:
                     completions.append((c, s))
diff --git a/jedi/evaluate/finder.py b/jedi/evaluate/finder.py
index 2b52cc13..a01bfdaf 100644
--- a/jedi/evaluate/finder.py
+++ b/jedi/evaluate/finder.py
@@ -11,10 +11,9 @@ would check whether a flow has the form of ``if isinstance(a, type_or_tuple)``.
 Unfortunately every other thing is being ignored (e.g. a == '' would be easy to
 check for -> a is a string). There's big potential in these checks.
 """
-import sys
 from itertools import chain
 
-from jedi._compatibility import hasattr, unicode, u, reraise
+from jedi._compatibility import hasattr, unicode, u
 from jedi.parser import representation as pr, tokenize
 from jedi.parser import fast
 from jedi import debug
@@ -513,23 +512,12 @@ def get_names_of_scope(evaluator, scope, position=None, star_search=True, includ
                 and non_flow.isinstance(er.Function)
                 or isinstance(scope, compiled.CompiledObject)
                 and scope.type() == 'class' and in_func_scope != scope):
-            try:
-                if isinstance(scope, (pr.SubModule, fast.Module)):
-                    scope = er.ModuleWrapper(evaluator, scope)
 
-                for g in scope.scope_names_generator(position):
-                    yield g
-                """
-                try:
-                    sng = scope.scope_names_generator
-                except AttributeError:
-                    yield scope, _get_defined_names_for_position(scope, position, in_func_scope)
-                else:
-                    for g in sng(position):
-                        yield g
-                """
-            except StopIteration:
-                reraise(common.MultiLevelStopIteration, sys.exc_info()[2])
+            if isinstance(scope, (pr.SubModule, fast.Module)):
+                scope = er.ModuleWrapper(evaluator, scope)
+
+            for g in scope.scope_names_generator(position):
+                yield g
         if scope.isinstance(pr.ListComprehension):
             # is a list comprehension
             yield scope, scope.get_defined_names(is_internal_call=True)
diff --git a/jedi/evaluate/iterable.py b/jedi/evaluate/iterable.py
index 61704978..802b2e22 100644
--- a/jedi/evaluate/iterable.py
+++ b/jedi/evaluate/iterable.py
@@ -44,7 +44,7 @@ class Generator(use_metaclass(CachedMetaClass, pr.Base)):
         self.var_args = var_args
 
     @underscore_memoization
-    def get_defined_names(self):
+    def _get_defined_names(self):
         """
         Returns a list of names that define a generator, which can return the
         content of a generator.
@@ -57,6 +57,9 @@ class Generator(use_metaclass(CachedMetaClass, pr.Base)):
             else:
                 yield name
 
+    def scope_names_generator(self):
+        yield self, self._get_defined_names()
+
     def iter_content(self):
         """ returns the content of __iter__ """
         return self._evaluator.execute(self.func, self.var_args, True)
@@ -172,7 +175,7 @@ class Array(use_metaclass(CachedMetaClass, pr.Base)):
         values = [self._array.values[index]]
         return _follow_values(self._evaluator, values)
 
-    def get_defined_names(self):
+    def scope_names_generator(self):
         """
         This method generates all `ArrayMethod` for one pr.Array.
         It returns e.g. for a list: append, pop, ...
@@ -181,7 +184,7 @@ class Array(use_metaclass(CachedMetaClass, pr.Base)):
         scope = self._evaluator.find_types(compiled.builtin, self._array.type)[0]
         scope = self._evaluator.execute(scope)[0]  # builtins only have one class
         names = scope.get_defined_names()
-        return [ArrayMethod(n) for n in names]
+        yield self, [ArrayMethod(n) for n in names]
 
     @common.safe_property
     def parent(self):