cbor: add a __init__.py to top level cbor module
Differential Revision: https://phab.mercurial-scm.org/D2752
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/thirdparty/cbor/__init__.py Mon Mar 26 10:22:13 2018 -0700
@@ -0,0 +1,1 @@
+from .cbor2 import load, loads, dump, dumps, CBORDecodeError, CBOREncodeError