code: def get_error(self, code):
      errors = list(self.grammar.iter_errors(self.grammar.parse(code)))
      assert bool(errors) != self._is_passing
      if errors:
          return errors[0]
  
imports: import re
  import tempfile
  import shutil
  import logging
  import sys
  import os
  import pytest
  import yatest.common
  import parso
  from parso import cache
  from parso.utils import parse_version_string
label_desc: Use image node_id 4 for calling the Checker obj's underlying member method code with example usage: obj.get_error(code) and returns: errors