# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2018-01-18 01:09:10
# Node ID 553a98a436cfe9680de8f6249cfa399d46af2214
# Parent  56891a79001298c3b50dc156bbc92b27245c528f

tags: explicitly grab list of dict keys

Differential Revision: https://phab.mercurial-scm.org/D1887

diff --git a/mercurial/tags.py b/mercurial/tags.py
--- a/mercurial/tags.py
+++ b/mercurial/tags.py
@@ -244,7 +244,7 @@ def readlocaltags(ui, repo, alltags, tag
 
     # remove tags pointing to invalid nodes
     cl = repo.changelog
-    for t in filetags.keys():
+    for t in list(filetags):
         try:
             cl.rev(filetags[t][0])
         except (LookupError, ValueError):