code: def header_as_deepcopy(self, name, value):
      header = self.header_factory(name, value)
      h = copy.deepcopy(header)
      self.assertEqual(str(h), str(header))
  
file_path: cpython/Lib/test/test_email/test_pickleable.py
imports: import unittest
  import textwrap
  import copy
  import pickle
  import email
  import email.message
  from email import policy
  from email.headerregistry import HeaderRegistry
  from test.test_email import TestEmailBase, parameterize
label_desc: Use image node_id 1 for calling the TestPickleCopyHeader obj's underlying member method code with example usage: obj.header_as_deepcopy(name, value) without return types