# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2019-11-06 20:19:23
# Node ID 8b0fa4de0064a7953f4cc6bd558becc6e0cb6c6d
# Parent  b16912f8c07ccf183b44147589d96b0fa5ca9e35

vfs: add NotImplementedError version of join

Again, this helps out pytype.

Differential Revision: https://phab.mercurial-scm.org/D7266

diff --git a/mercurial/vfs.py b/mercurial/vfs.py
--- a/mercurial/vfs.py
+++ b/mercurial/vfs.py
@@ -60,6 +60,9 @@ class abstractvfs(object):
     def _auditpath(self, path, mode):
         raise NotImplementedError
 
+    def join(self, path, *insidef):
+        raise NotImplementedError
+
     def tryread(self, path):
         '''gracefully return an empty string for missing files'''
         try: