code: def _create_bucket(self):
      bucket_response = self.s3.create_bucket(
          Bucket=self.bucket,
          CreateBucketConfiguration={"LocationConstraint": self.region},
      )
      return bucket_response
  
imports: import json
  import os
  import os.path
  from sacred.commandline_options import cli_option
  from sacred.dependencies import get_digest
  from sacred.observers.base import RunObserver
  from sacred.serializer import flatten
  import re
  import socket
label_desc: Use image node_id 5 for calling the S3Observer obj's underlying member method code with example usage: obj._create_bucket() and returns: bucket_response