class_docstr: Helper (frozen dataclass) for storing temporary ECR credentials.
docstr: Return registry in appropriate `docker login` format.
docstr_tok: ["Return","registry","in","appropriate","`","docker","login","`","format","."]
code: def registry(self) -> str:
      """Return registry in appropriate `docker login` format."""
      # https://github.com/docker/docker-py/issues/2256#issuecomment-824940506
      return self.proxy_endpoint.replace("https://", "")
  
file_path: airflow/airflow/providers/amazon/aws/hooks/ecr.py
imports: from __future__ import annotations
  import base64
  import logging
  from dataclasses import dataclass
  from typing import TYPE_CHECKING
  from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook
  from airflow.utils.log.secrets_masker import mask_secret
label_desc: Use image node_id 2 for calling the EcrCredentials obj's underlying member method code with example usage: obj.registry() and returns: self