Fixing - Issue7026 - RuntimeError: dictionary changed size during iteration. Patch by flox
diff --git a/Lib/test/test_multifile.py b/Lib/test/test_multifile.py
index daf7dde..fd09602 100644
--- a/Lib/test/test_multifile.py
+++ b/Lib/test/test_multifile.py
@@ -1,5 +1,5 @@
 from test import test_support
-import mimetools
+mimetools = test_support.import_module("mimetools", deprecated=True)
 multifile = test_support.import_module('multifile', deprecated=True)
 import cStringIO