/usr/local/lib/python3.8/dist-packages/Whoosh-2.7.4-py3.8.egg/whoosh/codec/whoosh3.py:1120: SyntaxWarning: "is" with a literal. Did you mean "=="?
/usr/local/lib/python3.8/dist-packages/Whoosh-2.7.4-py3.8.egg/whoosh/codec/whoosh3.py:1120: SyntaxWarning: "is" with a literal. Did you mean "=="?