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