diff -r a35aec1f4205 -r 23fdfb2be857 QScintilla/Shell.py --- a/QScintilla/Shell.py Thu Sep 01 18:28:27 2016 +0200 +++ b/QScintilla/Shell.py Fri Sep 02 19:08:02 2016 +0200 @@ -680,7 +680,7 @@ self .__clientError() if Preferences.getDebugger("ShowExceptionInShell"): - if exceptionType is not None: + if exceptionType: if stackTrace: self.__write( self.tr('Exception "{0}"\n{1}\nFile: {2}, Line: {3}\n')