--- a/tests/test-context.py	Sun Jul 01 01:00:39 2018 +0530
+++ b/tests/test-context.py	Tue May 22 15:02:52 2018 +0200
@@ -77,7 +77,7 @@
 
 # test performing a diff on a memctx
 
-for d in ctxb.diff(ctxa, git=True):
+for d in ctxb.diff(ctxa, opts={'git': True}):
     printb(d, end=b'')
 
 # test safeness and correctness of "ctx.status()"