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 +1,5 @@
+from .cbor import loads, dumps, load, dump
+
+__all__ = [
+    'loads', 'dumps', 'load', 'dump',
+]