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See also
<http://sf.net/mailarchive/forum.php?thread_id=25618679&forum_id=966>

As you noted, one can't import into anydbm before either

    1) patching back_anydbm.py:getnode to accept nodeids
       expressed as integers
or
    2) patching admin.py:do_import to express nodeids as
       strings, e.g.  cl.import_files(dir, str(nodeid))

I ran into the same problem, and kept thinking the problem
was my data -- or that I was trying to upgrade 0.8->1.1.2.

But the same would happen to anyone trying to import data
into the anydbm backend.  If I'd realized that up front,
I wouldn't have used anydbm to test my conversion script.

So I repeat your findings in the hope it helps someone.  :)