code: def from_config(cls, config: Component.Config):
      return cls()
  
imports: from collections.abc import Iterator
  from typing import Dict, Optional
  import numpy
  from pytext.config.component import Component, ComponentType
label_desc: Use image node_id 1 for calling the BaseBatchSampler obj's underlying member method code with example usage: obj.from_config(cls, config) and returns: cls