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-rw-r--r--Misc/NEWS4
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@@ -12,6 +12,10 @@ What's New in Python 2.5 alpha 3?
Core and builtins
-----------------
+- Patch #921466: sys.path_importer_cache is now used to cache valid and
+ invalid file paths for the built-in import machinery which leads to
+ fewer open calls on startup.
+
- Patch #1442927: ``long(str, base)`` is now up to 6x faster for non-power-
of-2 bases. The largest speedup is for inputs with about 1000 decimal
digits. Conversion from non-power-of-2 bases remains quadratic-time in