histedit: binascii.unhexlify (aka node.bin) throws new exception type on py3...
histedit: binascii.unhexlify (aka node.bin) throws new exception type on py3
Lucky for us, the exception type exists on 2.7, so we can include it
in the except block without any extra work.
Differential Revision:
https://phab.mercurial-scm.org/D2244