/usr/share/lintian/overrides/python-certbot-apache is in python-certbot-apache 0.28.0-1~deb9u1.
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1 2 3 4 | # In order to ensure a smooth upgrade from the python2 version of this
# package to the python3 version of this package, a cross-python
# version Depends was required.
python-certbot-apache: python-package-depends-on-package-from-other-python-variant
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