diff -r 0b2361c2c493 -r cd7059d17cb2 mercurial/context.py
--- a/mercurial/context.py	Thu Feb 21 19:11:28 2019 -0800
+++ b/mercurial/context.py	Thu Feb 21 19:11:35 2019 -0800
@@ -1951,7 +1951,7 @@
 
         # Test the other direction -- that this path from p2 isn't a directory
         # in p1 (test that p1 doesn't have any paths matching `path/*`).
-        match = self.match(pats=[path + '/'], default=b'path')
+        match = self.match(include=[path + '/'], default=b'path')
         matches = self.p1().manifest().matches(match)
         mfiles = matches.keys()
         if len(mfiles) > 0: