From 449191df19bbceb8504ea3cd561b5bb0af41ca45 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 14 Apr 2018 22:43:14 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/library/views.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/library/views.py b/src/calibre/gui2/library/views.py
index 65affabaf8..a0630dc8d3 100644
--- a/src/calibre/gui2/library/views.py
+++ b/src/calibre/gui2/library/views.py
@@ -472,7 +472,8 @@ class BooksView(QTableView):  # {{{
             view.column_header_context_menu.addAction(
                 _('Un-split the book list') if self.pin_view.isVisible() else _('Split the book list'),
                 partial(self.column_header_context_handler, action='split', column=col or 'title'))
-        view.column_header_context_menu.popup(view.column_header.mapToGlobal(pos))
+        if hasattr(view, 'column_header_context_menu'):
+            view.column_header_context_menu.popup(view.column_header.mapToGlobal(pos))
     # }}}
 
     # Sorting {{{