(model_class)
return model_class._meta.installed
Returns True if a model_class is installed.
    model_class._meta.installed is only reliable in Django 1.7+
Returns True if a model_class is installed.
    model_class._meta.installed is only reliable in Django 1.7+
Returns True if a model_class is installed . model_class . _meta . installed is only reliable in Django 1 . 7 +
def is_installed(model_class):
    """
    Returns True if a model_class is installed.
    model_class._meta.installed is only reliable in Django 1.7+
    """
    return model_class._meta.installed
def is_installed ( model_class ) : return model_class . _meta . installed