From da35aef4117ad2174630afe0264c855352ede57e Mon Sep 17 00:00:00 2001
From: zzj <29055749+zjzh@users.noreply.github.com>
Date: Thu, 20 Jan 2022 18:41:25 +0800
Subject: [PATCH] Update sass.py

refactoring code with set comprehension which is more concise and efficient
---
 sass.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/sass.py b/sass.py
index 86992e68..d07affa8 100644
--- a/sass.py
+++ b/sass.py
@@ -537,10 +537,7 @@ def my_importer(path, prev):
         resolved path, so that importers can do relative path resolution.
 
     """
-    modes = set()
-    for mode_name in MODES:
-        if mode_name in kwargs:
-            modes.add(mode_name)
+    modes = {mode_name for mode_name in MODES if mode_name in kwargs}
     if not modes:
         raise TypeError('choose one at least in ' + and_join(MODES))
     elif len(modes) > 1: