/usr/share/lintian/overrides/python-moinmoin is in python-moinmoin 1.9.3-1ubuntu2.
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The actual contents of the file can be viewed below.
1 2 | python-moinmoin: package-contains-upstream-install-documentation usr/share/doc/python-moinmoin/INSTALL.html
python-moinmoin: possible-documentation-but-no-doc-base-registration
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