code: def test_bytes(self):
      top = symtable.symtable(TEST_CODE.encode("utf8"), "?", "exec")
      self.assertIsNotNone(find_block(top, "Mine"))
  
      code = b"# -*- coding: iso8859-15 -*-\nclass \xb4: pass\n"
  
      top = symtable.symtable(code, "?", "exec")
      self.assertIsNotNone(find_block(top, "\u017d"))
  
imports: import symtable
  import unittest
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 25 for calling the SymtableTest obj's underlying member method code with example usage: obj.test_bytes() without return types