code: def get_repo_url():
      """Return the base URL for Gluon dataset and model repository"""
      default_repo = "s3://gluonnlp-numpy-data"
      repo_url = os.environ.get("GLUONNLP_REPO_URL", default_repo)
      if repo_url[-1] != "/":
          repo_url = repo_url + "/"
      return repo_url
  
file_path: gluon-nlp/src/gluonnlp/base.py
imports: import os
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: get_repo_url() and returns: repo_url