From df463826ae8ca0ca4240f2e925e1bfa85201d5d5 Mon Sep 17 00:00:00 2001
From: stefan <mail@s-holst.de>
Date: Mon, 22 Jun 2026 00:05:48 +0900
Subject: [PATCH] fix ffr

---
 src/kyupy/circuit.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/kyupy/circuit.py b/src/kyupy/circuit.py
index aee1191..11ef657 100644
--- a/src/kyupy/circuit.py
+++ b/src/kyupy/circuit.py
@@ -631,8 +631,8 @@ class Circuit:
                     queue.append(succ)
             yield n
 
-    def fanout_free_regions(self):
-        for stem in self.reversed_topological_order():
+    def fanout_free_regions(self, tlib: 'TechLib'): # type: ignore
+        for stem in self.reversed_topological_order(tlib):
             if len(stem.outs) == 1 and 'dff' not in stem.kind.lower(): continue
             region = []
             if 'dff' in stem.kind.lower():