diff -r bb509f39d387 -r 579672b347d2 hgext/lfs/wireprotolfsserver.py
--- a/hgext/lfs/wireprotolfsserver.py	Sat Nov 02 11:48:38 2019 -0700
+++ b/hgext/lfs/wireprotolfsserver.py	Sat Nov 02 12:09:35 2019 -0700
@@ -133,7 +133,7 @@
         return True
 
     # XXX: specify an encoding?
-    lfsreq = json.loads(req.bodyfh.read())
+    lfsreq = pycompat.json_loads(req.bodyfh.read())
 
     # If no transfer handlers are explicitly requested, 'basic' is assumed.
     if r'basic' not in lfsreq.get(r'transfers', [r'basic']):