localrepo: fix conversion of exceptions to strings flagged by pytype
This is the same as e571fec5b606. I assume the 3 similar uses of `bytestr` in
`__getitem__()` are OK (even though pytype also flags them), because there is
apparently test coverage for 2 of the 3 cases.
Differential Revision: https://phab.mercurial-scm.org/D10131
#!/bin/sh
HGENCODING=UTF-8
export HGENCODING
echo ".. -*- coding: utf-8 -*-" > gendoc.txt
echo "" >> gendoc.txt
LANGUAGE=$1 "$PYTHON" "$TESTDIR/../doc/gendoc.py" >> gendoc.txt 2> /dev/null || exit
echo "checking for parse errors"
"$PYTHON" "$TESTDIR/../doc/docchecker" gendoc.txt
"$PYTHON" "$TESTDIR/../doc/runrst" html gendoc.txt /dev/null