From d9142831ba6780eef47bb68e878cf2f8910c4ab2 Mon Sep 17 00:00:00 2001
From: Kurochan <kuro@kurochan.org>
Date: Sun, 3 Jan 2021 01:03:53 +0900
Subject: handle empty string in variable executable in platform.libc_ver()
 (#23140)

---
 Lib/platform.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/platform.py')

diff --git a/Lib/platform.py b/Lib/platform.py
index 985e12d968..d567dd1a6e 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -174,7 +174,7 @@ def libc_ver(executable=None, lib='', version='', chunksize=16384):
         The file is read and scanned in chunks of chunksize bytes.
 
     """
-    if executable is None:
+    if not executable:
         try:
             ver = os.confstr('CS_GNU_LIBC_VERSION')
             # parse 'glibc 2.28' as ('glibc', '2.28')
-- 
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