edit_file <<<
--- django/views/debug.py
+++ django/views/debug.py
@@ -3,6 +3,7 @@
 import types
 from pathlib import Path
 
+import collections.abc
 from django.conf import settings
 from django.http import Http404, HttpResponse, HttpResponseNotFound
 from django.template import Context, Engine, TemplateDoesNotExist
>>>