From 2058a84af9bad8631b47c74838a8cbd46977ca26 Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Thu, 28 Nov 2024 12:47:07 +0000
Subject: [PATCH] fixed bug in extractor when there is a single vertex in the
 frontier

---
 pyzx/linalg.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyzx/linalg.py b/pyzx/linalg.py
index 994bfea7..bf4587b7 100644
--- a/pyzx/linalg.py
+++ b/pyzx/linalg.py
@@ -355,7 +355,7 @@ def to_cnots(self, optimize: bool = False, use_log_blocksize: bool = False) -> L
         else:
             best = 1000000
             best_cn = None
-            for size in range(1,self.rows()):
+            for size in range(1,self.rows() + 1):
                 cn = CNOTMaker()
                 assert cn is not None
                 self.copy().gauss(full_reduce=True,x=cn, blocksize=size)