Had to create a new fixer (fix_imports2) which did fixes in post-order. This
because ``import anydbm`` was being translated into ``import dbm`` which was
then subsequently changed into ``import dbm.ndbm``; one transform too many.
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r64942 | collin.winter | 2008-07-13 20:19:05 -0500 (Sun, 13 Jul 2008) | 1 line
Add a comment explaining part of fix_imports.py
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r65001 | brett.cannon | 2008-07-16 00:11:12 -0500 (Wed, 16 Jul 2008) | 2 lines