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