Trivial fix to remove warning with current pythons:
bagit-python> python --version
Python 3.8.1
bagit-python> python test.py
.../bagit.py:634: SyntaxWarning: "is not" with a literal. Did you mean "!="? if not manifest_filename.find("tagmanifest-") is -1:
Coverage decreased (-0.09%) to 83.272% when pulling 01ebd87b630d1c18049473a4706c98ac71f33390 on zimeon:fix-syntax-warning into 4b76c143e61d815043f1e8bdfbb159ce98f7d978 on LibraryOfCongress:master.
Trivial fix to remove warning with current pythons: