CompiledObjects should execute everything when reading the return information from docstring (because it's always types, not values)

jedi/evaluate/compiled/__init__.py

@@ -171,11 +171,9 @@ class CompiledObject(Base):
             except AttributeError:
                 continue
             else:
-                if isinstance(bltn_obj, CompiledObject):
+                if isinstance(bltn_obj, CompiledObject) and bltn_obj.obj is None:
                     # We want everything except None.
-                    if bltn_obj.obj is not None:
-                        yield bltn_obj
-                else:
+                    continue
                 for result in evaluator.execute(bltn_obj, params):
                     yield result