Use a LazyName for module attributes, they should only be generated if needed.

jedi/evaluate/helpers.py

@@ -220,6 +220,20 @@ class FakeName(pr.Name):
         super(FakeName, self).__init__(FakeSubModule, names, p, p, parent)
 
 
+class LazyName(FakeName):
+    def __init__(self, name, parent_callback):
+        super(LazyName, self).__init__(name)
+        self._parent_callback = parent_callback
+
+    @property
+    def parent(self):
+        return self._parent_callback()
+
+    @parent.setter
+    def parent(self, value):
+        pass  # Do nothing, lower level can try to set the parent.
+
+
 def stmts_to_stmt(statements):
     """
     Sometimes we want to have something like a result_set and unite some

jedi/evaluate/representation.py

@@ -617,10 +617,12 @@ class ModuleWrapper(use_metaclass(CachedMetaClass, pr.Module)):
 
     @memoize_default()
     def _module_attributes(self):
+        def parent_callback():
+            return Instance(self._evaluator, compiled.create(self._evaluator, str))
+
         names = ['__file__', '__package__', '__doc__', '__name__', '__version__']
         # All the additional module attributes are strings.
-        parent = Instance(self._evaluator, compiled.create(self._evaluator, str))
-        return [helpers.FakeName(n, parent) for n in names]
+        return [helpers.LazyName(n, parent_callback) for n in names]
 
     @memoize_default()
     def _sub_modules(self):