Patch# 1258 by Christian Heimes: kill basestring.

I like this because it makes the code shorter! :-)

Lib/lib-tk/Tkinter.py

@@ -255,7 +255,7 @@ def __init__(self, master=None, value=None, name=None):
     def get(self):
         """Return value of variable as string."""
         value = self._tk.globalgetvar(self._name)
-        if isinstance(value, basestring):
+        if isinstance(value, str):
             return value
         return str(value)