From: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date: Sun, 21 Nov 2021 22:02:40 +0100
Subject: Fix deprecated collections import (since Python 3.3)

---
 pcl/_pcl_180.pyx          | 2 +-
 pcl/pcl_visualization.pyx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pcl/_pcl_180.pyx b/pcl/_pcl_180.pyx
index 0d23245..aa3df22 100644
--- a/pcl/_pcl_180.pyx
+++ b/pcl/_pcl_180.pyx
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # cython: embedsignature=True
 
-from collections import Sequence
+from collections.abc import Sequence
 import numbers
 import numpy as np
 cimport numpy as cnp
diff --git a/pcl/pcl_visualization.pyx b/pcl/pcl_visualization.pyx
index 820bd40..f9e8ebc 100644
--- a/pcl/pcl_visualization.pyx
+++ b/pcl/pcl_visualization.pyx
@@ -2,7 +2,7 @@
 # cython: embedsignature=True
 from libcpp cimport bool
 
-from collections import Sequence
+from collections.abc import Sequence
 import numbers
 import numpy as np
 cimport numpy as cnp
