[3.6]bpo-30144: change idlelib abc import [GH-1263] (#2106)

Part of patch by Serhiy Storchaka.
(cherry-pick from 2e576f5)

diff --git a/Lib/idlelib/pyparse.py b/Lib/idlelib/pyparse.py
index 6739dfd1a07a6be70d0fa36647e4afc54ac7fd1e..536b2d7f5fef73c28ef8acf69add8df38ff0f4b4 100644 (file)
--- a/Lib/idlelib/pyparse.py
+++ b/Lib/idlelib/pyparse.py
@@ -1,4 +1,4 @@
-from collections import Mapping
+from collections.abc import Mapping
 import re
 import sys