Fix typo.
diff --git a/Lib/idlelib/PyParse.py b/Lib/idlelib/PyParse.py
index ea3cc27..d200b6c 100644
--- a/Lib/idlelib/PyParse.py
+++ b/Lib/idlelib/PyParse.py
@@ -120,7 +120,7 @@
             # strings don't have a .translate() method that supports
             # deletechars.
             uniphooey = s
-            str = []
+            s = []
             push = s.append
             for raw in map(ord, uniphooey):
                 push(raw < 127 and chr(raw) or "x")