From 9decb7034973a5ed7587c797e8c8e893e92a0460 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 5 Feb 2008 17:27:23 +0000
Subject: [PATCH] In the experimental 'Scanner' feature, the group count was
 set wrong.

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

diff --git a/Lib/re.py b/Lib/re.py
index a33e34e4e1..90956f34e2 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -290,8 +290,8 @@ class Scanner:
             p.append(sre_parse.SubPattern(s, [
                 (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                 ]))
+        s.groups = len(p)+1
         p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
-        s.groups = len(p)
         self.scanner = sre_compile.compile(p)
     def scan(self, string):
         result = []
-- 
2.40.0