<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _load_db():
 """Deserializes the script database from JSON."""

    from os import path
    from pyci.utility import get_json
    global datapath, db
    datapath = path.abspath(path.expanduser(settings.datafile))
    vms("Deserializing DB from {}".format(datapath))
    db = get_json(datapath, {"installed": [], "enabled": True, "cron": False})