diff -r 4bd73a955ab0 -r 0e06d8086295 tests/test-check-py3-compat.t
--- a/tests/test-check-py3-compat.t	Mon Mar 26 08:33:57 2018 -0700
+++ b/tests/test-check-py3-compat.t	Mon Mar 26 08:32:21 2018 -0700
@@ -5,6 +5,7 @@
 
   $ testrepohg files 'set:(**.py)' \
   > -X hgdemandimport/demandimportpy2.py \
+  > -X mercurial/thirdparty/cbor \
   > | sed 's|\\|/|g' | xargs $PYTHON contrib/check-py3-compat.py
   contrib/python-zstandard/setup.py not using absolute_import
   contrib/python-zstandard/setup_zstd.py not using absolute_import