From 725bdd0035f401a24aa24d8a4e92504f00bbe0ec Mon Sep 17 00:00:00 2001
From: He Sichao <1310722434@qq.com>
Date: Thu, 13 Jun 2024 15:07:45 +0800
Subject: [PATCH] Update dynsys.py

---
 brainpy/_src/dynsys.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/brainpy/_src/dynsys.py b/brainpy/_src/dynsys.py
index a6fcc16a..c20fc414 100644
--- a/brainpy/_src/dynsys.py
+++ b/brainpy/_src/dynsys.py
@@ -806,7 +806,7 @@ def __init__(
       else:
         # should be a list/tuple/array of int
         # do not check again
-        if not isinstance(idx, collections.Iterable):
+        if not isinstance(idx, collections.abc.Iterable):
           raise TypeError('Should be an iterable object of int.')
         size.append(len(idx))
     size += list(target.varshape[len(self.index):])