--- a/hgext3rd/topic/compat.py	Thu Apr 19 16:25:17 2018 +0200
+++ b/hgext3rd/topic/compat.py	Thu Apr 19 16:27:13 2018 +0200
@@ -24,10 +24,3 @@
     getmarkers = obsolete.getmarkers
 if successorssets is None:
     successorssets = obsolete.successorssets
-
-def startpager(ui, cmd):
-    """function to start a pager in case ui.pager() exists"""
-    try:
-        ui.pager(cmd)
-    except AttributeError:
-        pass