code: def get_apikey(cls):
      if cls.apikey is None:
          raise ValueError(
              "Hyperdash API is not set.\n"
              "You can obtain your API Key using: `hyperdash login --email` or `hyperdash login --github`\n"
              "You should first call `HyperDashHandler.set_apikey('my_api_key')` in order to use `hyperdash`"
          )
  
      tl.logging.debug("Hyperdash API Key: %s" % cls.apikey)
  
      return cls.apikey
  
file_path: TensorLayer/tensorlayer/logging/contrib/hyperdash.py
imports: from __future__ import absolute_import
  import hyperdash
  import tensorlayer
label_desc: Use image node_id 3 for calling the HyperDashHandler obj's underlying member method code with example usage: obj.get_apikey(cls) and returns: cls