code: def test_wchar(self):
      self.dumps(c_char(b"x"))
      # Issue 5049
      self.dumps(c_wchar("x"))
  
file_path: catboost/contrib/tools/python/src/Lib/ctypes/test/test_pickling.py
imports: import unittest
  import pickle
  from ctypes import *
  import _ctypes_test
label_desc: Use image node_id 6 for calling the PickleTest obj's underlying member method code with example usage: obj.test_wchar() without return types