Here are some additional ideas that might be useful when working with Python types.

## Using `Union` or `Optional` { #using-union-or-optional }

If your code for some reason can't use `|`, for example if it's not in a type annotation but in something like `response_model=`, instead of using the vertical bar (`|`) you can use `Union` from `typing`.

For example, you could declare that something could be a `str` or `None`:

```python

       gives data about available versions (<<<latest>>>, <<<release>>>, <<<versions>>> list and <<<lastUpdated>>>),

 [[3]] in a "groupId/artifactId/version" snapshot artifact directory: metadata describes <<<groupId>>>, <<<artifactId>>>, <<<version>>> (base version, i.e. ending in <<<-SNAPSHOT>>>) and

client = TestClient(app)


def test_dependency_contextvars():
    """
    Check that custom middlewares don't affect the contextvar context for dependencies.

    The code before yield and the code after yield should be run in the same contextvar
    context, so that request_state_context_var.reset(contextvar_token).

    If they are run in a different context, that raises an error.
    """
    response = client.get("/user")

        tasks.register('${buildTaskName}', SymbolicLinkPreservingTar) {
            from 'someFile.txt'
        }
        """

        when:
        def result = gradleRunner(buildTaskName).build()

        then:
        file(expectedOutputArchivePath).exists()
        assertTarPermissionDefaults(file(expectedOutputArchivePath))
        assertEmptyDirTasksTriggered(result)

        where:

   * (only in the case of types that are unbounded below) BELOW_ALL.
   */
  Cut<C> canonical(DiscreteDomain<C> domain) {
    return this;
  }

  // note: overridden by {BELOW,ABOVE}_ALL
  @Override
  public int compareTo(Cut<C> that) {
    if (that == belowAll()) {
      return 1;
    }
    if (that == aboveAll()) {
      return -1;
    }

    }

    @Test
    public void test_getParentGroup_withDepthLimit() {
        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();
        authenticator.setMaxGroupDepth(2);

        // Test that depth limit returns empty arrays when depth is exceeded
        // With depth limit set to 2, depth 10 should return empty arrays
        Pair<String[], String[]> result = authenticator.getParentGroup(null, "test-id", 10);

            ntlmServlet.service(request, response);

            // Verify that user information is stored in the session
            verify(session).setAttribute("NtlmHttpAuth", ntlmAuth);
            verify(session).setAttribute("ntlmuser", "user");
            verify(session).setAttribute("ntlmdomain", "TEST_DOMAIN");

            // Verify that the chain continues

            final String id = getIdList(searchBody).get(0);
            checkDeleteMethod(getItemEndpointSuffix() + "/" + id.toString()).then().body("response.status", equalTo(0));
            refresh();
        }

        // Test: number of settings.
        checkGetMethod(searchBody, getListEndpointSuffix()).then().body(getJsonPath() + ".size()", equalTo(0));
        logger.info("[END] testDelete");
    }

    // ================

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    }

    @Test
    public void testPopularWords_ok() {
        given().contentType("application/json")
                .when()
                .get("/api/v1/popular-words")
                .then()
                .statusCode(200)
                .body("record_count", greaterThanOrEqualTo(0))
                .body("data", notNullValue());
    }

    @Test
    public void testPopularWords_withSeed() {