From 2c2c5dff0241755fee977819319bec85f729d5be Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sun, 2 Jun 2002 00:40:05 +0000
Subject: Replace boolean test with is None.

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

(limited to 'Lib/sre_compile.py')

diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index e48be72285..1c54f67a49 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -145,7 +145,7 @@ def _compile(code, pattern, flags):
 def _compile_charset(charset, flags, code, fixup=None):
     # compile charset subprogram
     emit = code.append
-    if not fixup:
+    if fixup is None:
         fixup = lambda x: x
     for op, av in _optimize_charset(charset, fixup):
         emit(OPCODES[op])
-- 
cgit v1.2.1