### Bug or Regression

- Fix kube-apiserver metric reporting for the deprecated watch path of /api/<version>/watch/... ([#104188](https://github.com/kubernetes/kubernetes/pull/104188), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery and Instrumentation]

#### Possibly `None` { #possibly-none }

You can declare that a value could have a type, like `str`, but that it could also be `None`.

In Python 3.6 and above (including Python 3.10) you can declare it by importing and using `Optional` from the `typing` module.

```Python hl_lines="1  4"
{!../../docs_src/python_types/tutorial009_py39.py!}
```

### Cómo funciona la importación { #how-the-importing-works }

La sección:

```Python
from .routers import items, users
```

significa:

### Como funciona a importação { #how-the-importing-works }

A seção:

```Python
from .routers import items, users
```

significa:

* Começando no mesmo pacote em que este módulo (o arquivo `app/main.py`) reside (o diretório `app/`)...

### Wie das Importieren funktioniert { #how-the-importing-works }

Die Sektion:

```Python
from .routers import items, users
```

bedeutet:

### Как работает импорт? { #how-the-importing-works }

Данная строка кода:

```Python
from .routers import items, users
```

означает:

* Add issue templates to simplify reporting bugs, getting help, etc: [#34](https://github.com/tiangolo/fastapi/pull/34).

				return fmt.Errorf("Could not convert %s to a boolean", a.String())
			}

		default:
			return errCmpMismatchedTypes
		}
		return nil

	case !okA && okB:
		// swap arguments to avoid repeating code
		return inferTypesForCmp(b, a)

	default:
		// Does not happen
		return nil
	}
}

// Value arithmetic functions: we do not expose them outside the

<div class="termy">

```console
$ cd ~/code/prisoner-of-azkaban

$ python main.py

// Error importing sirius, it's not installed 😱
Traceback (most recent call last):
    File "main.py", line 1, in <module>
        import sirius
```

</div>

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(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.

  11. Patents.

  A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based.  The