From 98ef3be292848950f0c9cc8a5a2a8597daa69ee5 Mon Sep 17 00:00:00 2001
From: Karthikeyan Singaravelan <tir.karthi@gmail.com>
Date: Sat, 1 Feb 2020 00:20:52 +0530
Subject: [PATCH] Import ABC from collections.abc instead of collections for
 Python 3.9 compatibility.

---
 misc/table_html_app.py  | 5 ++++-
 tests/test_dictutils.py | 8 ++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/misc/table_html_app.py b/misc/table_html_app.py
index 629325e..94e4726 100644
--- a/misc/table_html_app.py
+++ b/misc/table_html_app.py
@@ -88,7 +88,10 @@ class BasicRender(object):
         self.autotable_render = AutoTableRenderer()
 
     def render_response(self, request, context, _route):
-        from collections import Sized
+        try:
+            from collections.abc import Sized
+        except ImportError:
+            from collections import Sized
         if isinstance(context, basestring):  # already serialized
             if self._guess_json(context):
                 return Response(context, mimetype="application/json")
diff --git a/tests/test_dictutils.py b/tests/test_dictutils.py
index 7438d2e..b6873a8 100644
--- a/tests/test_dictutils.py
+++ b/tests/test_dictutils.py
@@ -88,10 +88,14 @@ def test_clear():
 
 
 def test_types():
-    import collections
+    try:
+        from collections.abc import MutableMapping
+    except ImportError:
+        from collections import MutableMapping
+
     omd = OMD()
     assert isinstance(omd, dict)
-    assert isinstance(omd, collections.MutableMapping)
+    assert isinstance(omd, MutableMapping)
 
 
 def test_multi_correctness():