stack: 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/stack.py Wed Mar 30 03:45:10 2016 -0700
+++ b/hgext3rd/topic/stack.py Wed Mar 30 03:45:18 2016 -0700
@@ -4,8 +4,10 @@
# GNU General Public License version 2 or any later version.
import collections
from mercurial.i18n import _
-from mercurial import error
-from mercurial import obsolete
+from mercurial import (
+ error,
+ obsolete,
+)
def getstack(repo, topic):
# XXX need sorting