code: def get_run(self):
      return self.run
  
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 3 for calling the MetadataCheck obj's underlying member method code with example usage: obj.get_run() and returns: self