code: def setUp(self):
      import ctypes
  
      try:
          from _ctypes import set_conversion_mode
      except ImportError:
          pass
      else:
          self.prev_conv_mode = set_conversion_mode("ascii", "strict")
  
file_path: catboost/contrib/tools/python/src/Lib/ctypes/test/test_parameters.py
imports: import unittest, sys
  from ctypes.test import need_symbol
  import test.support
label_desc: Use image node_id 1 for calling the SimpleTypesTestCase obj's underlying member method code with example usage: obj.setUp() without return types