--- a/mercurial/sparse.py	Mon Oct 02 14:05:30 2017 -0700
+++ b/mercurial/sparse.py	Mon Oct 02 14:05:30 2017 -0700
@@ -486,7 +486,8 @@
                 dropped.append(file)
 
     # Apply changes to disk
-    typeactions = dict((m, []) for m in 'a f g am cd dc r dm dg m e k'.split())
+    typeactions = dict((m, [])
+                       for m in 'a f g am cd dc r dm dg m e k p'.split())
     for f, (m, args, msg) in actions.iteritems():
         if m not in typeactions:
             typeactions[m] = []