code: def get_card(self, step, task, card_type, card_id=None):
      from metaflow.cards import get_cards
  
      iterator = get_cards(
          self.run[step][task], type=card_type, id=card_id
      )
      return iterator
  
imports: import json
  import os
  from metaflow.util import is_stringish
  from .None import MetaflowCheck, AssertArtifactFailed, AssertCardFailed, AssertLogFailed, assert_equals, assert_exception, truncate
label_desc: Use image node_id 12 for calling the MetadataCheck obj's underlying member method code with example usage: obj.get_card(step, task, card_type, card_id) and returns: iterator