Fix UnboundLocalError regression due to previous incorrect fix for

warsaw · warsaw · commit f880e5d5eaef · 2013-08-20T20:35:20.000-04:00
issue 16248.
diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
@@ -1634,7 +1634,7 @@ def __init__(self, screenName=None, baseName=None, className='Tk',
         # ensure that self.tk is always _something_.
         self.tk = None
         if baseName is None:
-            import sys, os
+            import os
             baseName = os.path.basename(sys.argv[0])
             baseName, ext = os.path.splitext(baseName)
             if ext not in ('.py', '.pyc', '.pyo'):
