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

Sie können deklarieren, dass ein Wert einen Typ haben könnte, wie `str`, dass er aber auch `None` sein könnte.

//// tab | Python 3.10+

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial009_py310.py!}
```

////

			wantOK: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			v := Value{
				value: tt.fields.value,
			}
			got, got1 := v.bytesToFloat()
			diff := math.Abs(got - tt.want)
			if diff > floatCmpTolerance {
				t.Errorf("bytesToFloat() got = %v, want %v", got, tt.want)
			}
			if got1 != tt.wantOK {
				t.Errorf("bytesToFloat() got1 = %v, want %v", got1, tt.wantOK)
			}

	"net/http"
	"net/url"
	"sort"
	"strconv"
	"strings"
	"time"

	"github.com/google/uuid"
	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/encrypt"
	"github.com/minio/minio-go/v7/pkg/tags"
	"github.com/minio/minio/internal/amztime"
	sse "github.com/minio/minio/internal/bucket/encryption"
	objectlock "github.com/minio/minio/internal/bucket/object/lock"
	"github.com/minio/minio/internal/bucket/replication"

	StorageClass string

	ReplicationStatusInternal string
	ReplicationStatus         replication.StatusType
	// User-Defined metadata
	UserDefined map[string]string

	// User-Defined object tags
	UserTags string

	// List of individual parts, maximum size of upto 10,000
	Parts []ObjectPartInfo `json:"-"`

	// Implements writer and reader used by CopyObject API

    protected WebConfig webConfig = null;

    /** Generated file crawling configuration from parsed GSA config. */
    protected FileConfig fileConfig = null;

    /** Buffer to accumulate character data between XML tags. */
    protected StringBuilder textBuf = new StringBuilder(1000);

    /** User agent string to be used for web crawling. */
    protected String userAgent = "gsa-crawler";

    /**

        final long now = System.currentTimeMillis();
        assertTrue(Math.abs(currentTime.getTime() - now) < 1000);
    }

    @Test
    public void test_getCurrentTimeAsLong() {
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        final long now = System.currentTimeMillis();
        assertTrue(Math.abs(currentTime - now) < 1000);
    }

    @Test
    public void test_destroy() {

			}
		}

		if hexes != "" {
			hexByLine[fmt.Sprintf("%s:%d", input, lineno)] = hexes
		}

		// Canonicalize spacing in printed form.
		// First field is opcode, then tab, then arguments separated by spaces.
		// Canonicalize spaces after commas first.
		// Comma to separate argument gets a space; comma within does not.
		var buf []byte
		nest := 0
		for i := 0; i < len(printed); i++ {

        secondLine.put("userBoost", item.getUserBoost());
        secondLine.put("score", (item.getQueryFreq() + item.getDocFreq()) * item.getUserBoost());
        secondLine.put("tags", item.getTags());
        secondLine.put("roles", item.getRoles());
        secondLine.put("kinds", Arrays.toString(item.getKinds()));
        secondLine.put("@timestamp", item.getTimestamp());

        final Map<String, Object> nested = new LinkedHashMap<>();
        nested.put("tags", Arrays.asList("a", "b"));
        source.put("meta", nested);

        final String json = new JsonIndexExportFormatter().format(source, Collections.emptySet());

        assertTrue(json.contains("\"meta\": {\"tags\": [\"a\", \"b\"]}"));
    }

    @Test
    public void test_jsonFormatter_emptyNestedMap() {

		err = globalSiteReplicationSys.PeerBucketVersioningHandler(ctx, item.Bucket, item.Versioning, item.UpdatedAt)
	case madmin.SRBucketMetaTypeTags:
		err = globalSiteReplicationSys.PeerBucketTaggingHandler(ctx, item.Bucket, item.Tags, item.UpdatedAt)
	case madmin.SRBucketMetaTypeObjectLockConfig:
		err = globalSiteReplicationSys.PeerBucketObjectLockConfigHandler(ctx, item.Bucket, item.ObjectLockConfig, item.UpdatedAt)
	case madmin.SRBucketMetaTypeSSEConfig: