Try to change the module cache

jedi/plugins/stdlib.py

@@ -289,10 +289,9 @@ def collections_namedtuple(evaluator, obj, arguments):
     # Parse source code
     module = evaluator.grammar.parse(code)
     generated_class = next(module.iter_classdefs())
-    parent_context = ModuleContext(
-        evaluator, module, None,
-        code_lines=parso.split_lines(code, keepends=True),
-    )
+    parent_context = None
+    raise NotImplementedError('TODO implement parent_context')
+
     return ContextSet(ClassContext(evaluator, parent_context, generated_class))
 
 

jedi/plugins/typeshed.py

@@ -89,8 +89,9 @@ def _merge_modules(context_set, stub_context):
                 context.evaluator,
                 stub_context,
                 context.tree_node,
-                context._path,
-                context.code_lines
+                path=context._path,
+                string_names=context._string_names,
+                code_lines=context.code_lines
             )
         else:
             # TODO do we want this?
@@ -160,7 +161,10 @@ class TypeshedPlugin(BasePlugin):
                             module_cls = StubOnlyModuleContext
                         # TODO use code_lines
                         stub_module_context = module_cls(
-                            context_set, evaluator, stub_module_node, path, code_lines=[]
+                            context_set, evaluator, stub_module_node,
+                            path=path,
+                            string_names=import_names,
+                            code_lines=[],
                         )
                         modules = _merge_modules(context_set, stub_module_context)
                         return ContextSet.from_iterable(modules)