/// tip | Tipp

Damit das funktioniert, müssen Sie `pip install python-dotenv` ausführen.

///

### Die `.env`-Datei { #the-env-file }

Sie könnten eine `.env`-Datei haben, mit:

```bash

/// tip | Совет

Чтобы это работало, вам нужно `pip install python-dotenv`.

///

### Файл `.env` { #the-env-file }

У вас может быть файл `.env` со следующим содержимым:

```bash
ADMIN_EMAIL="******@****.***"

/// tip | Consejo

Para que esto funcione, necesitas `pip install python-dotenv`.

///

### El archivo `.env` { #the-env-file }

Podrías tener un archivo `.env` con:

```bash
ADMIN_EMAIL="******@****.***"

/// tip

For this to work, you need to `pip install python-dotenv`.

///

### The `.env` file { #the-env-file }

You could have a `.env` file with:

```bash
ADMIN_EMAIL="******@****.***"
APP_NAME="ChimichangApp"
```

/// tip | Dica

Para isso funcionar, você precisa executar `pip install python-dotenv`.

///

### O arquivo `.env` { #the-env-file }

Você poderia ter um arquivo `.env` com:

```bash
ADMIN_EMAIL="******@****.***"

    if mod_name in sys.modules:
        del sys.modules[mod_name]
    monkeypatch.setenv("ADMIN_EMAIL", "******@****.***")
    main_mod = importlib.import_module(mod_name)
    return TestClient(main_mod.app)


def test_settings_validation_error(mod_name: str, monkeypatch: MonkeyPatch):
    monkeypatch.delenv("ADMIN_EMAIL", raising=False)
    if mod_name in sys.modules:

     * @throws IOException if an I/O error occurs
     */
    protected abstract void doSend(Request request) throws IOException;

    /**
     * Receives a response from the remote endpoint.
     *
     * @param response the response object to populate
     * @throws IOException if an I/O error occurs
     */
    protected abstract void doRecv(Response response) throws IOException;

    /**

     * @throws IOException if an I/O error occurs
     */
    protected abstract void doSend(Request request) throws IOException;

    /**
     * Receive a response from the transport
     *
     * @param response the response object to populate
     * @throws IOException if an I/O error occurs
     */
    protected abstract void doRecv(Response response) throws IOException;

    /**

         * calls doRecv() after and no one else but the transport thread
         * should call doRecv(). Therefore it is ok to expect that the data
         * in sbuf will be preserved for copying into BUF in doRecv().
         */

        return key;
    }

    @Override
    protected void doSend(final Request request) throws IOException {
        synchronized (BUF) {

            }
            return peekedKey;
        }

        @Override
        protected void doSend(Request request) throws IOException {
            if (sendException != null) {
                throw sendException;
            }
        }

        @Override
        protected void doRecv(Response response) throws IOException {
            if (recvException != null) {
                throw recvException;