Get rid of the node_is_value parameter

jedi/inference/compiled/mixed.py

@@ -289,13 +289,10 @@ def _create(inference_state, access_handle, parent_context, *args):
                 return ValueSet({compiled_object})
             module_context = parent_context.get_root_context()
 
-        tree_values = ValueSet({
-            module_context.create_context(
-                tree_node,
-                node_is_value=True,
-            )._value
-            # TODO private access!
-        })
+        if tree_node is module_node:
+            tree_values = ValueSet({module_context.get_value()})
+        else:
+            tree_values = ValueSet({module_context.create_value(tree_node)})
         if tree_node.type == 'classdef':
             if not access_handle.is_class():
                 # Is an instance, not a class.