def is_managed(using=None):
    if using is None:
        using = DEFAULT_DB_ALIAS
    connection = connections[using]
    return connection.is_managed()
Apply opacity to an image.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/transaction.py/is_managed--crossover with--dataset/ETHPy150Open psd-tools/psd-tools/src/psd_tools/user_api/pil_support.py/apply_opacity