code: def __init__(self, s3url):
      url = urlparse(s3url)
      self.s3, self.ClientError = get_s3_client()
      self._bucket = url.netloc
      self._key = url.path.lstrip("/")
      self._pos = 0
      self._tail = b""
  
file_path: metaflow/metaflow/plugins/datatools/s3/s3tail.py
imports: from io import BytesIO
  from .s3util import aws_retry, get_s3_client
label_desc: Use image node_id 1 to create a new S3Tail object from inherited base classes: object with example: obj = S3Tail(s3url)