code: def __len__(self):
      if self.length is None:
          self._load_page()
      if self.length is None:
          raise ValueError("Object doesn't provide length")
      return self.length
  
file_path: wandb/wandb/apis/paginator.py
imports: from typing import TYPE_CHECKING, Any, MutableMapping, Optional
label_desc: Use image node_id 3 for calling the Paginator obj's underlying member method code with example usage: obj.__len__() and returns: self