Copyright for python-volatile source package in Lunar

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: volatile
Upstream-Contact: Marc Brinkmann 
Source: https://github.com/mbr/volatile

Files: *
Copyright: 2015  Marc Brinkmann
License: Expat

Files: debian/*
Copyright: 2020-2021  Nicholas D Steeves 
License: Expat

Files: debian/tests/unittests
Copyright: 2019  Stefano Rivera 
License: Expat

License: Expat
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 copy of this software and associated documentation files (the "Software"),
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 and/or sell copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following conditions:
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 all copies or substantial portions of the Software.
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