/usr/share/lintian/overrides/cinnamon-common is in cinnamon-common 3.6.7-8ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # There is no python2 package, but its provided by python-minimal
cinnamon-common: python-script-but-no-python-dep *
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