How to use the gear.thor.client.thor.set_accounts function in gear

def run_server(host, port, endpoint, keystore, passcode, log, debug):
    try:
        response = requests.options(endpoint)
        response.raise_for_status()
    except requests.exceptions.ConnectionError:
        print("Unable to connect to Thor-Restful server.")
        return

    print(make_version())
    print("Listening on %s:%s" % (host, port))

    thor.set_endpoint(endpoint)
    if keystore == "":
        thor.set_accounts(solo())
    else:
        thor.set_accounts(_keystore(keystore, passcode))

    app = web.Application()
    app.router.add_post("/", lambda r: handle(r, log, debug))
    app.router.add_options("/", lambda r: web.Response(headers=res_headers))
    web.run_app(app, host=host, port=port)

def run_server(host, port, endpoint, keystore, passcode, log, debug):
    try:
        response = requests.options(endpoint)
        response.raise_for_status()
    except requests.exceptions.ConnectionError:
        print("Unable to connect to Thor-Restful server.")
        return

    print(make_version())
    print("Listening on %s:%s" % (host, port))

    thor.set_endpoint(endpoint)
    if keystore == "":
        thor.set_accounts(solo())
    else:
        thor.set_accounts(_keystore(keystore, passcode))

    app = web.Application()
    app.router.add_post("/", lambda r: handle(r, log, debug))
    app.router.add_options("/", lambda r: web.Response(headers=res_headers))
    web.run_app(app, host=host, port=port)