code: def get_boto_s3_client():
      """
      User might want to use other than `AWS` `S3` providers, so we should be able to override `endpoint_url`.
      Unfortunately `boto3` doesn't support this parameter in configuration, so we'll have to create our env variable.
      boto3 supported config envs:
       * https://boto3.amazonaws.com/v1/documentation/api/latest/guide/configuration.html#using-environment-variables
      boto3 `endpoint_url` support PR:
       * https://github.com/boto/boto3/pull/2746
      """
      endpoint_url = os.getenv(S3_ENDPOINT_URL)
      return boto3.resource(
          service_name="s3",
          endpoint_url=endpoint_url,
      )
  
imports: import os
  import boto3
  from neptune.envs import S3_ENDPOINT_URL
label_desc: Use image node_id 1 for calling a global function with example usage: get_boto_s3_client() and returns: boto3