@task
def s3_to_string():
    """ function to read from s3 and return string from txt file """
    resource = boto3.resource('s3')
    my_bucket = resource.Bucket('some-bucket')
    file1 = 'some-file.txt'
    files = list(my_bucket.objects.filter(Prefix=file1))
    if files:
        obj = files[0].get()
        body = obj['Body']
        string = body.read().decode("utf-8")
        return string
    else:
        print('no file found')