topicmap: move to new style import
This unify with the new core Mercurial usage and this will make future changes
to the imports easier to track.
--- a/hgext3rd/topic/topicmap.py Wed Mar 30 03:45:18 2016 -0700
+++ b/hgext3rd/topic/topicmap.py Wed Mar 30 03:45:29 2016 -0700
@@ -1,9 +1,11 @@
-from mercurial import branchmap
-from mercurial import encoding
-from mercurial import error
-from mercurial import scmutil
-from mercurial import util
from mercurial.node import hex, bin, nullid
+from mercurial import (
+ branchmap,
+ encoding,
+ error,
+ scmutil,
+ util,
+)
def _filename(repo):
"""name of a branchcache file for a given repo or repoview"""