{*../../docs_src/websockets/tutorial003_py39.py hl[79:81]*}

Para testar:

* Abrar o aplicativo com várias abas do navegador.
* Escreva mensagens a partir delas.
* Então feche uma das abas.

Isso levantará a exceção `WebSocketDisconnect`, e todos os outros clientes receberão uma mensagem como:

```
Client #1596980209979 left the chat
```

mayen","swaziland","sweden","switzerland","syria","taiwan","tajikistan","tanzania","thailand","timor-leste","togo","tokelau","tonga","trinidad and tobago","tunisia","turkey","turkmenistan","turks and caicos islands","tuvalu","uganda","ukraine","united arab emirates","united kingdom","united states minor outlying islands","united states","uruguay","uzbekistan","vanuatu","venezuela","vatican city","vietnam","virgin islands (british)","virgin islands (us)","wallis and futuna","western sahara","yemen","...

Casdoor is a UI-first centralized authentication / Single-Sign-On (SSO) platform supporting OAuth 2.0, OIDC and SAML, integrated with Casbin RBAC and ABAC permission management. This document covers configuring Casdoor identity provider support with MinIO.

## Prerequisites

Anda bisa mendeklarasikan tipe data dengan `str`, `float`, `bool` dan banyak tipe data kompleks lainnya.

Beberapa tipe di atas akan dibahas pada bab berikutnya tutorial ini.

## Urutan berpengaruh

Ketika membuat  *operasi path*, anda bisa menghadapi kondisi dimana *path* nya sudah tetap.

Seperti `/users/me`, untuk mendapatkan data user yang sedang aktif.