{* ../../docs_src/websockets/tutorial001_py39.py hl[48:52] *}

You can receive and send binary, text, and JSON data.

## Try it { #try-it }

If your file is named `main.py`, run your application with:

<div class="termy">

```console
$ fastapi dev main.py

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

        allWarningsAsErrors = true
    }
}

detekt {
    // overwrite the config file's location
    config.convention(project.isolated.rootProject.projectDirectory.file("../gradle/detekt.yml"))
}

tasks.named("codeQuality") {
    dependsOn("detekt")
}

tasks.validatePlugins {
    failOnWarning = true
    enableStricterValidation = true
}

tasks.withType<Test>().configureEach {
    useJUnitPlatform()

                CollectionFeature.GENERAL_PURPOSE,
                CollectionFeature.SERIALIZABLE,
                CollectionFeature.ALLOWS_NULL_QUERIES,
                MultisetFeature.ENTRIES_ARE_VIEWS)
            .named("TreeMultiset, Ordering.natural")
            .createTestSuite());
    suite.addTest(
        SortedMultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {
                  @Override

pkg go/types, method (*MethodSet) String() string
pkg go/types, method (*Named) AddMethod(*Func)
pkg go/types, method (*Named) Method(int) *Func
pkg go/types, method (*Named) NumMethods() int
pkg go/types, method (*Named) Obj() *TypeName
pkg go/types, method (*Named) SetUnderlying(Type)
pkg go/types, method (*Named) String() string
pkg go/types, method (*Named) Underlying() Type
pkg go/types, method (*Nil) Exported() bool

                    throw new NullPointerException();
                  }
                }
                return MinimalCollection.of(elements);
              }
            })
        .named("MinimalCollection")
        .withFeatures(CollectionFeature.NONE, CollectionSize.ANY)
        .createTestSuite();
  }

  <artifactId>test1</artifactId>
  <version>1.0-SNAPSHOT</version>

  <name>Maven Integration Test :: MNG-3944</name>
  <description>
    Test that interpolation of ${basedir} works for a POM that is not named "pom.xml"
  </description>

  <properties>
    <!-- this is where we collect all the interpolated values for the POM dump -->
    <prop0>${basedir}</prop0>
    <prop1>${project.basedir}</prop1>
  </properties>

    abstract val androidStudioVersion: Property<String>

    fun androidStudioSystemProperties(project: Project, androidStudioJvmArgs: List<String>): CommandLineArgumentProvider {
        val unpackAndroidStudio = project.tasks.named("unpackAndroidStudio", ExtractAndroidStudioTask::class.java)
        val androidStudioInstallation = project.objects.newInstance<AndroidStudioInstallation>().apply {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact;

import javax.inject.Inject;
import javax.inject.Named;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.classrealm;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.io.File;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class AbstractSetTester<E> extends AbstractCollectionTester<E> {
  /*
   * Previously we had a field named set that was initialized to the value of
   * collection in setUp(), but that caused problems when a tester changed the
   * value of set or collection but not both.
   */
  protected final Set<E> getSet() {