D1887: tags: explicitly grab list of dict keys

[durin42 (Augie Fackler)]

durin42 created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1887

AFFECTED FILES
  mercurial/tags.py

CHANGE DETAILS

diff --git a/mercurial/tags.py b/mercurial/tags.py
--- a/mercurial/tags.py
+++ b/mercurial/tags.py
@@ -244,7 +244,7 @@
 
     # 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):



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Cc: mercurial-devel