diff -r 98f97eb20597 -r 414114a7c18f mercurial/commandserver.py
--- a/mercurial/commandserver.py	Tue Nov 28 05:50:45 2017 +0530
+++ b/mercurial/commandserver.py	Thu Nov 30 22:43:03 2017 +0900
@@ -17,11 +17,11 @@
 import traceback
 
 from .i18n import _
+from .thirdparty import selectors2
 from . import (
     encoding,
     error,
     pycompat,
-    selectors2,
     util,
 )