--- a/controls/SearchResultPanel.py	Fri Nov 23 11:01:20 2018 +0100
+++ b/controls/SearchResultPanel.py	Fri Nov 23 12:13:24 2018 +0100
@@ -24,7 +24,7 @@
 
 
 from __future__ import absolute_import
-from types import TupleType
+from functools import reduce
 
 import wx
 import wx.lib.buttons
@@ -324,7 +324,7 @@
 
     def ShowSearchResults(self, item):
         data = self.SearchResultsTree.GetPyData(item)
-        if isinstance(data, TupleType):
+        if isinstance(data, tuple):
             search_results = [data]
         else:
             search_results = self.SearchResults.get(data, [])