def delete_session_entity_type(project_id, session_id,<EOL>entity_type_display_name):
import dialogflow_v2 as dialogflow<EOL>session_entity_types_client = dialogflow.SessionEntityTypesClient()<EOL>session_entity_type_name = (<EOL>session_entity_types_client.session_entity_type_path(<EOL>project_id, session_id, entity_type_display_name))<EOL>session_entity_types_client.delete_session_entity_type(<EOL>session_entity_type_name)<EOL>
Delete session entity type with the given entity type display name.