--- a/mercurial/statprof.py	Sun Dec 10 04:48:59 2017 +0530
+++ b/mercurial/statprof.py	Sun Dec 10 04:49:29 2017 +0530
@@ -922,7 +922,7 @@
 
     load_data(path=path)
 
-    display(**displayargs)
+    display(**pycompat.strkwargs(displayargs))
 
     return 0