py3: pass a bytestring into querydrev instead of a string that'll TypeError This was a regression I introduced in c19d259fd6ad. When the string gets to the memoryview in _tokenize under py3 it'll die. Differential Revision: https://phab.mercurial-scm.org/D6869

Greg Ward, author of the original bfiles extension
Na'Tosha Bard of Unity Technologies
Fog Creek Software
Special thanks to the University of Toronto and the UCOSP program