def METHOD_NAME(organization: Organization, slack_request: SlackDMRequest) -> bool:
    """Check if a Slack channel already has a team linked to it"""
    return ExternalActor.objects.filter(
        organization_id=organization.id,
        integration_id=slack_request.integration.id,
        provider=ExternalProviders.SLACK.value,
        external_name=slack_request.channel_name,
        external_id=slack_request.channel_id,
    ).exists()