def status(self, function):
    response = None
    LOG.debug("getting status for event source %s", self.arn)
    uuid = self._get_uuid(function)
    if uuid:
        try:
            response = self._lambda.call("get_event_source_mapping", UUID=self._get_uuid(function))
            LOG.debug(response)
        except botocore.exceptions.ClientError:
            LOG.debug("event source %s does not exist", self.arn)
            response = None
    else:
        LOG.debug("No UUID for event source %s", self.arn)
    return response

botocore.errorfactory.ResourceConflictException: An error occurred (ResourceConflictException) when calling the CreateEventSourceMapping operation: An event source mapping with SQS arn (" arn:aws:sqs:us-west-2:<account>:<sqs_name> ") and function (" <function_name> ") already exists. Please update or delete the existing mapping with UUID <uuid>

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "lambda:ListEventSourceMappings",
                "lambda:CreateEventSourceMapping"
            ],
            "Resource": "*"
        },
        {
            "Sid": "VisualEditor1",
            "Effect": "Allow",
            "Action": [
                "iam:GetRole",
                "lambda:UpdateFunctionCode",
                "s3:PutObject",
                "s3:GetObject",
                "iam:PassRole",
                "lambda:GetFunction",
                "lambda:UpdateFunctionConfiguration",
                "lambda:GetFunctionConfiguration",
                "lambda:GetAlias",
                "lambda:GetPolicy",
                "lambda:PutFunctionConcurrency"
            ],
            "Resource": [
                "arn:aws:iam::187760472520:role/*",
                "arn:aws:lambda:*:187760472520:event-source-mapping:*",
                "arn:aws:lambda:*:187760472520:function:*",
                "arn:aws:s3:::*/*"
            ]
        },
        {
            "Sid": "VisualEditor2",
            "Effect": "Allow",
            "Action": "s3:ListBucket",
            "Resource": "arn:aws:s3:::*"
        }
    ]
}