Drop the database

def run_drop(args):
    """Drop the database"""
    dbname = bigchaindb.config['database']['name']

    if not args.yes:
        response = input_on_stderr('Do you want to drop `{}` database? [y/n]: '.format(dbname))
        if response != 'y':
            return

    conn = backend.connect()
    dbname = bigchaindb.config['database']['name']
    try:
        schema.drop_database(conn, dbname)
    except DatabaseDoesNotExist:
        print("Cannot drop '{name}'. The database does not exist.".format(name=dbname), file=sys.stderr)