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Solve the following problem using Python, implementing the functions described below, one line at a time
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<USER_TASK:>
Description:
 def patch_jwt_settings():
 """Patch rest_framework_jwt authentication settings from allauth"""

    defaults = api_settings.defaults
    defaults['JWT_PAYLOAD_GET_USER_ID_HANDLER'] = (
        __name__ + '.get_user_id_from_payload_handler')

    if 'allauth.socialaccount' not in settings.INSTALLED_APPS:
        return

    from allauth.socialaccount.models import SocialApp
    try:
        app = SocialApp.objects.get(provider='helsinki')
    except SocialApp.DoesNotExist:
        return

    defaults['JWT_SECRET_KEY'] = app.secret
    defaults['JWT_AUDIENCE'] = app.client_id