docstr: Cancel all open orders for a given asset.
docstr_tok: ["Cancel","all","open","orders","for","a","given","asset","."]
code: def cancel_all_orders_for_asset(
      self, asset, warn=False, relay_status=True
  ):
      """
      Cancel all open orders for a given asset.
      """
  
      raise NotImplementedError("cancel_all_orders_for_asset")
  
file_path: zipline/zipline/finance/blotter/blotter.py
imports: from abc import ABCMeta, abstractmethod
  from six import with_metaclass
  from zipline.extensions import extensible
  from zipline.finance.cancel_policy import NeverCancel
label_desc: Use image node_id 6 for calling the Blotter obj's underlying member method code with example usage: obj.cancel_all_orders_for_asset(asset, warn, relay_status) without return types