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Diffstat (limited to 'Misc/NEWS')
| -rw-r--r-- | Misc/NEWS | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -84,6 +84,10 @@ Type/class unification and new-style classes Core and builtins ----------------- +- issubclass now supports a tuple as the second argument, just like + isinstance does. ``issubclass(X, (A, B))`` is equivalent to + ``issubclass(X, A) or issubclass(X, B)``. + - Thanks to Armin Rigo, the last known way to provoke a system crash by cleverly arranging for a comparison function to mutate a list during a list.sort() operation has been fixed. The effect of |