auth: fix crash on invalid bcrypt password When an invalid password was specified, it would with an exception: File "kallithea/lib/auth.py", in check_password return bcrypt.checkpw(safe_str(password), safe_str(hashed)) ValueError: Invalid hashed_password salt We do apparently have to catch ValueError and treat it as "invalid password".

[tox]
minversion = 1.8
envlist = py{26,27}-pytest

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    -r{toxinidir}/dev_requirements.txt
    py26-pytest: unittest2
    python-ldap
    python-pam
commands =
    pytest: py.test {posargs}