diff --git a/mercurial/thirdparty/cbor/__init__.py b/mercurial/thirdparty/cbor/__init__.py
new file mode 100644
--- /dev/null
+++ b/mercurial/thirdparty/cbor/__init__.py
@@ -0,0 +1 @@
+from cbor2 import load, dump, CBORDecodeError, CBOREncodeError