Because it's a Python exception, you don't `return` it, you `raise` it.

<img src="/img/tutorial/body/image01.png">

And will be also used in the API docs inside each *path operation* that needs them:

<img src="/img/tutorial/body/image02.png">

## Editor support

In your editor, inside your function you will get type hints and completion everywhere (this wouldn't happen if you received a `dict` instead of a Pydantic model):

# with the appropriate version
version: 1.0.0
appVersion: 1.0.0
description: Helm chart for istio-cni components
keywords:
  - istio-cni
  - istio
sources:
  - https://github.com/istio/istio
engine: gotpl

dependencies {
  api(projects.okhttp)

  testImplementation(projects.okhttpTestingSupport)
  testImplementation(libs.junit.jupiter.api)
  testImplementation(libs.junit.jupiter.params)
  testImplementation(libs.junit.jupiter.engine)
  testImplementation(libs.assertk)
  testImplementation(libs.testcontainers)
  testImplementation(libs.mockserver)
  testImplementation(libs.mockserver.client)
  testImplementation(libs.testcontainers.junit5)

    }
    implementation("com.gradle:develocity-gradle-plugin") {
        because("Arch-test plugin configures the PTS extension")
    }

    testImplementation("org.junit.jupiter:junit-jupiter-engine")

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"syscall"
)

// Returns true if no error and there is no object or prefix inside this directory
func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)

			retries++
			// after 20 retries start logging that servers are not reachable yet
			if retries >= 20 {
				logger.Info(fmt.Sprintf("Waiting for at least %d remote servers with valid configuration to be online", len(clnts)/2))
				if len(offlineEndpoints) > 0 {
					logger.Info(fmt.Sprintf("Following servers are currently offline or unreachable %s", offlineEndpoints))
				}
				if len(incorrectConfigs) > 0 {

    steps:
      - name: Evaluate Rules
        uses: linear-b/gitstream-github-action@v1
        env:
          REPO_READ_TOKEN: ${{ secrets.GITSTREAM_TESTING_TOKEN }}
        id: rules-engine
        with:
          full_repository: ${{ github.event.inputs.full_repository }}
          head_ref: ${{ github.event.inputs.head_ref }}
          base_ref: ${{ github.event.inputs.base_ref }}

	HostProbeSNATIPV6 = netip.MustParseAddr(env.RegisterStringVar("HOST_PROBE_SNAT_IPV6", DefaultHostProbeSNATIPV6, "").Get())
)

const (
	// to reliably identify kubelet healthprobes from inside the pod (versus standard kube-proxy traffic,
	// since the IP is normally the same), we SNAT identified host probes in the host netns to a fixed
	// APIPA/"link-local" IP.
	//

 */
package org.apache.maven.api.services.model;

import java.util.Properties;

import org.apache.maven.api.services.ModelBuilderRequest;

/**
 * Allows a fixed set of properties that are valid inside a version and that could be overwritten for example on the
 * commandline
 */
public interface ModelVersionProcessor {

    /**
     * @param property the property to check