Run 2to3 on this library.
diff --git a/Lib/lib2to3/pgen2/literals.py b/Lib/lib2to3/pgen2/literals.py
index 0b3948a..4f50d31 100644
--- a/Lib/lib2to3/pgen2/literals.py
+++ b/Lib/lib2to3/pgen2/literals.py
@@ -53,7 +53,7 @@
         s = repr(c)
         e = evalString(s)
         if e != c:
-            print i, c, s, e
+            print(i, c, s, e)
 
 
 if __name__ == "__main__":