Fix some fstring issues for now

jedi/evaluate/compiled/__init__.py

@@ -28,6 +28,10 @@ def get_special_object(evaluator, identifier):
     )
 
 
+def get_string_context_set(evaluator):
+    return builtin_from_name(evaluator, u'str').execute_evaluated()
+
+
 def load_module(evaluator, **kwargs):
     access_path = evaluator.compiled_subprocess.load_module(**kwargs)
     if access_path is None:

jedi/evaluate/context/module.py

@@ -23,8 +23,7 @@ class _ModuleAttributeName(AbstractNameDefinition):
         self.string_name = string_name
 
     def infer(self):
-        ctx = compiled.builtin_from_name(self.parent_context.evaluator, u'str')
-        return ctx.execute_evaluated()
+        return compiled.get_string_context_set(self.parent_context.evaluator)
 
 
 class ModuleName(ContextNameMixin, AbstractNameDefinition):