From 0c03dd740d85244fb4e7f0adc20c1d89aff59a32 Mon Sep 17 00:00:00 2001
From: - js <223258+dapperfu@users.noreply.github.com>
Date: Mon, 8 Feb 2021 11:20:51 -0500
Subject: [PATCH] Update xferfcn.py

---
 control/xferfcn.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/control/xferfcn.py b/control/xferfcn.py
index 157ac6212..c9fbe9006 100644
--- a/control/xferfcn.py
+++ b/control/xferfcn.py
@@ -1559,7 +1559,7 @@ def _clean_part(data):
     for i in range(len(data)):
         for j in range(len(data[i])):
             for k in range(len(data[i][j])):
-                if isinstance(data[i][j][k], (int, np.int)):
+                if isinstance(data[i][j][k], (int, np.int32, np.int64)):
                     data[i][j][k] = float(data[i][j][k])
 
     return data