diff --git a/wx/py/shell.py b/wx/py/shell.py
index 0226f131..ce5981fa 100755
--- a/wx/py/shell.py
+++ b/wx/py/shell.py
@@ -854,8 +854,8 @@ class Shell(editwindow.EditWindow):
         or (self.historyIndex >= len(self.history)-2):
             searchOrder = range(len(self.history))
         else:
-            searchOrder = range(self.historyIndex+1, len(self.history)) + \
-                          range(self.historyIndex)
+            ls = list(range(len(self.history)))
+            searchOrder = ls[self.historyIndex+1:] + ls[:self.historyIndex]
         for i in searchOrder:
             command = self.history[i]
             if command[:len(searchText)] == searchText:
diff --git a/wx/py/sliceshell.py b/wx/py/sliceshell.py
index 3648001a..1bbc643d 100755
--- a/wx/py/sliceshell.py
+++ b/wx/py/sliceshell.py
@@ -2270,8 +2270,8 @@ class SlicesShell(editwindow.EditWindow):
         or (self.historyIndex >= len(self.history)-2):
             searchOrder = range(len(self.history))
         else:
-            searchOrder = range(self.historyIndex+1, len(self.history)) + \
-                          range(self.historyIndex)
+            ls = list(range(len(self.history)))
+            searchOrder = ls[self.historyIndex+1:] + ls[:self.historyIndex]
         for i in searchOrder:
             command = self.history[i]
             if command[:len(searchText)] == searchText: