Improve backwards compatibility code to handle True/False.

2003-11-12 15:21:20 +00:00 · 2003-11-12 15:21:20 +00:00 · 859db26729
parent ad983e79d6
commit 859db26729
1 changed files with 4 additions and 0 deletions
--- a/Lib/sets.py
+++ b/Lib/sets.py
@ -73,6 +73,10 @@ except ImportError:
        for x in iterable:
            if not predicate(x):
                yield x
+    try:
+        True, False
+    except NameError:
+        True, False = (0==0, 0!=0)

 __all__ = ['BaseSet', 'Set', 'ImmutableSet']