From edfff91424ecfafef6c2b54827e2cb4df144428b Mon Sep 17 00:00:00 2001 From: Kovid Goyal Date: Wed, 10 Apr 2019 21:02:08 +0530 Subject: [PATCH] py3: fix for sort_func returning None as None cannot be ordered in py3 --- src/calibre/gui2/widgets2.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/calibre/gui2/widgets2.py b/src/calibre/gui2/widgets2.py index c941a0d39e..76db5fc928 100644 --- a/src/calibre/gui2/widgets2.py +++ b/src/calibre/gui2/widgets2.py @@ -65,14 +65,14 @@ class HistoryMixin(object): class HistoryLineEdit2(LineEdit, HistoryMixin): - def __init__(self, parent=None, completer_widget=None, sort_func=lambda x:None): + def __init__(self, parent=None, completer_widget=None, sort_func=lambda x:b''): LineEdit.__init__(self, parent=parent, completer_widget=completer_widget, sort_func=sort_func) class HistoryComboBox(EditWithComplete, HistoryMixin): def __init__(self, parent=None): - EditWithComplete.__init__(self, parent, sort_func=lambda x:None) + EditWithComplete.__init__(self, parent, sort_func=lambda x:b'') class ColorButton(QPushButton):