D2191: narrowspec: consistently use set() to copy sets

[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/D2191

AFFECTED FILES
  hgext/narrow/narrowspec.py

CHANGE DETAILS

diff --git a/hgext/narrow/narrowspec.py b/hgext/narrow/narrowspec.py
--- a/hgext/narrow/narrowspec.py
+++ b/hgext/narrow/narrowspec.py
@@ -180,7 +180,7 @@
     >>> restrictpatterns({'f1/$non_exitent_var'}, {}, ['f1','f2'], [])
     (set(['f1/$non_exitent_var']), {})
     """
-    res_excludes = req_excludes.copy()
+    res_excludes = set(req_excludes)
     res_excludes.update(repo_excludes)
     if not req_includes:
         res_includes = set(repo_includes)



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