Refs #23919 -- Removed obsolete contextlib.closing() calls (for Python 2).

tests/file_uploads/views.py

@@ -1,4 +1,3 @@
-import contextlib
 import hashlib
 import json
 import os
@@ -98,7 +97,7 @@ def file_upload_echo_content(request):
     Simple view to echo back the content of uploaded files for tests.
     """
     def read_and_close(f):
-        with contextlib.closing(f):
+        with f:
             return f.read().decode('utf-8')
     r = {k: read_and_close(f) for k, f in request.FILES.items()}
     return HttpResponse(json.dumps(r))