diff --git a/jedi/api/classes.py b/jedi/api/classes.py
index 5c445e5f..ef8355b8 100644
--- a/jedi/api/classes.py
+++ b/jedi/api/classes.py
@@ -29,6 +29,7 @@ def defined_names(evaluator, scope):
     pair = next(get_names_of_scope(evaluator, scope, star_search=False,
                                    include_builtin=False), None)
     names = pair[1] if pair else []
+    names = [n for n in names if isinstance(n, pr.Import) or (len(n) == 1)]
     return [Definition(evaluator, d) for d in sorted(names, key=lambda s: s.start_pos)]
 
 
diff --git a/jedi/evaluate/imports.py b/jedi/evaluate/imports.py
index 4db6d66a..77757b15 100644
--- a/jedi/evaluate/imports.py
+++ b/jedi/evaluate/imports.py
@@ -167,8 +167,8 @@ class ImportPath(pr.Base):
         # This is not an existing Import statement. Therefore, set position to
         # 0 (0 is not a valid line number).
         zero = (0, 0)
-        names = ((name_part.string, name_part.start_pos)
-                 for name_part in i.namespace.names[1:])
+        names = [(name_part.string, name_part.start_pos)
+                 for name_part in i.namespace.names[1:]]
         n = pr.Name(i._sub_module, names, zero, zero, self.import_stmt)
         new = pr.Import(i._sub_module, zero, zero, n)
         new.parent = parent
diff --git a/jedi/parser/representation.py b/jedi/parser/representation.py
index e68a7c89..ca5229c4 100644
--- a/jedi/parser/representation.py
+++ b/jedi/parser/representation.py
@@ -315,18 +315,9 @@ class Scope(Simple, IsScope, DocstringMixin):
         ... b.c = z
         ... '''))
         >>> parser.module.get_defined_names()
-        [<Name: a@2,0>, <Name: b@3,0>]
-
-        Note that unlike :meth:`get_set_vars`, assignment to object
-        attribute does not change the result because it does not change
-        the defined names in this scope.
-
-        >>> parser.module.get_set_vars()
         [<Name: a@2,0>, <Name: b@3,0>, <Name: b.c@4,0>]
-
         """
-        return [n for n in self.get_set_vars()
-                if isinstance(n, Import) or (len(n) == 1)]
+        return self.get_set_vars()
 
     @Python3Method
     def get_statement_for_position(self, pos, include_imports=False):
@@ -1433,10 +1424,11 @@ class Name(Simple):
 
     def __init__(self, module, names, start_pos, end_pos, parent=None):
         super(Name, self).__init__(module, start_pos, end_pos)
-        names = tuple(NamePart(n[0], self, n[1]) for n in names)
         # Cache get_code, because it's used quite often for comparisons
         # (seen by using the profiler).
-        self._get_code = ".".join(unicode(n) for n in names)
+        self._get_code = ".".join(n[0] for n in names)
+
+        names = tuple(NamePart(n[0], self, n[1]) for n in names)
         self.names = names
         if parent is not None:
             self.parent = parent