
[blake2]

[blake2:python_version < "3.6"]
pyblake2

[bz2]

[bz2:python_version < "3.0"]
bz2file

[lzma]

[lzma:python_version < "3.0"]
backports.lzma

[sha3]

[sha3:python_version < "3.6"]
pysha3
