Any bucket created through cloudformation will have `"LocationConstraint": null`, implying us-east-1, although in AWS CloudFormation the bucket's region will always match the template's region.
stack_name = self._get_param('StackName')
        stack = self.cloudformation_backend.get_stack(stack_name)
        logical_resource_id = self._get_param('LogicalResourceId')
        for stack_resource in stack.stack_resources:
            
            
            if stack_resource and stack_resource.logical_resource_id == logical_resource_id:
                resource = stack_resource
                break
        else:
            raise ValidationError(logical_resource_id)
        template = self.response_template(
            responses.DESCRIBE_STACK_RESOURCE_RESPONSE_TEMPLATE)
        return template.render(stack=stack, resource=resource)
    responses.CloudFormationResponse.describe_stack_resource = describe_stack_resource
def inject_stats_endpoint():
    """ Inject a simple /_stats endpoint into the moto server backend Web app. """
    
    import json
    from moto import server as moto_server
    def _get_stats():