## Using `TestClient` { #using-testclient }

/// info

To use `TestClient`, first install <a href="https://www.python-httpx.org" class="external-link" target="_blank">`httpx`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install httpx
```

///

Import `TestClient`.

		case "bkts":
			var zb0002 uint32
			zb0002, err = dc.ReadMapHeader()
			if err != nil {
				err = msgp.WrapError(err, "BucketStatuses")
				return
			}
			if z.BucketStatuses == nil {
				z.BucketStatuses = make(map[string]ResyncStatusType, zb0002)
			} else if len(z.BucketStatuses) > 0 {
				for key := range z.BucketStatuses {
					delete(z.BucketStatuses, key)
				}
			}
			for zb0002 > 0 {
				zb0002--

	"time"

	"golang.org/x/oauth2"

	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

// Returns a base64 encoded random 32 byte string.
func randomState() string {
	b := make([]byte, 32)
	rand.Read(b)
	return base64.RawURLEncoding.EncodeToString(b)
}

var (
	stsEndpoint    string
	configEndpoint string
	clientID       string
	clientSec      string
	clientScopes   string

	MOVL 2147483648(AX), AX  // 8b8000000080
	MOVL -2147483648(AX), AX // 8b8000000080
	ADDL 2147483648(AX), AX  // 038000000080
	ADDL -2147483648(AX), AX // 038000000080
	// Make sure MOV CR/DR continues to work after changing its movtabs.
	MOVL CR0, AX // 0f20c0
	MOVL CR0, DX // 0f20c2
	MOVL CR4, DI // 0f20e7
	MOVL AX, CR0 // 0f22c0
	MOVL DX, CR0 // 0f22c2
	MOVL DI, CR4 // 0f22e7

			hdr.ChangeTime, err = parsePAXTime(v)
		case paxSize:
			hdr.Size, err = strconv.ParseInt(v, 10, 64)
		default:
			if strings.HasPrefix(k, paxSchilyXattr) {
				if hdr.Xattrs == nil {
					hdr.Xattrs = make(map[string]string)
				}
				hdr.Xattrs[k[len(paxSchilyXattr):]] = v
			}
		}
		if err != nil {
			return ErrHeader
		}
	}
	hdr.PAXRecords = paxHdrs
	return nil
}

 * </ul>
 *
 * To force selection of our fallback strategies we load {@link AggregateFutureState} (and all of
 * {@code com.google.common.util.concurrent}) in degenerate class loaders which make certain
 * platform classes unavailable. Then we construct a test suite so we can run the normal FuturesTest
 * test methods in these degenerate classloaders.
 */

@NullUnmarked

When you declare a default value for non-path parameters (for now, we have only seen query parameters), then it is not required.

If you don't want to add a specific value but just make it optional, set the default as `None`.

But when you want to make a query parameter required, you can just not declare any default value:

{* ../../docs_src/query_params/tutorial005.py hl[6:7] *}

	cred, seedSignature, region, seedDate, errCode := calculateSeedSignature(req, trailer)
	if errCode != ErrNone {
		return nil, errCode
	}

	if trailer {
		// Discard anything unsigned.
		req.Trailer = make(http.Header)
		trailers := req.Header.Values(awsTrailerHeader)
		for _, key := range trailers {
			req.Trailer.Add(key, "")
		}
	} else {
		req.Trailer = nil
	}
	return &s3ChunkedReader{

plugins {
  id("com.android.library")
  kotlin("android")
}

android {
  compileSdk = 35

  namespace = "okhttp.android.regression"

  defaultConfig {
    minSdk = 21
    targetSdk = 34

    // Make sure to use the AndroidJUnitRunner (or a sub-class) in order to hook in the JUnit 5 Test Builder
    testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
    testInstrumentationRunnerArguments += mapOf(

          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
      - name: FastAPI Translate
        run: |
          python ./scripts/translate.py ${{ github.event.inputs.command }}
          python ./scripts/translate.py make-pr
        env:
          GITHUB_TOKEN: ${{ secrets.FASTAPI_TRANSLATIONS }}
          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
          LANGUAGE: ${{ github.event.inputs.language }}