From 0cdb06fdf53a375dc7f08c4a9b85685ab5d4321f Mon Sep 17 00:00:00 2001
From: Deepskyhunter <48083317+Deepskyhunter@users.noreply.github.com>
Date: Thu, 28 Jul 2022 17:55:25 +0800
Subject: [PATCH] language/environment: support no argument manager

unbreak tests
---
 artiq/language/environment.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/artiq/language/environment.py b/artiq/language/environment.py
index 204bf823f..9ce7034cc 100644
--- a/artiq/language/environment.py
+++ b/artiq/language/environment.py
@@ -252,7 +252,8 @@ class HasEnvironment:
         self.__in_build = True
         self.build(*args, **kwargs)
         self.__in_build = False
-        self.__argument_mgr.check_unprocessed_arguments()
+        if self.__argument_mgr is not None:
+            self.__argument_mgr.check_unprocessed_arguments()
 
     def register_child(self, child):
         self.children.append(child)