Import abcs from the new location.

diff --git a/dulwich/config.py b/dulwich/config.py
index cc818e4e56f5f2a72a051b2d221b65cee7d7babe..416d5524657066bca326ee415a4cc7d938d987cb 100644 (file)
--- a/dulwich/config.py
+++ b/dulwich/config.py
@@ -31,11 +31,18 @@ import os
 import sys
 
 from collections import (
-    Iterable,
     OrderedDict,
-    MutableMapping,
     )
-
+try:
+    from collections.abc import (
+        Iterable,
+        MutableMapping,
+        )
+except ImportError:  # python < 3.7
+    from collections import (
+        Iterable,
+        MutableMapping,
+        )
 
 from dulwich.file import GitFile