def _days_in_month(year, month):
    assert 1 <= month <= 12, month
    if month == 2 and _is_leap(year):
        return 29
    return _DAYS_IN_MONTH[month]
Test the mounted watcher, called to invoke the watch command.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/datetime.py/_days_in_month--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/states/mount_test.py/MountTestCase.test_mod_watch