code: def get_cached_translated_field(instance, field_name, language_code=None, use_fallback=False):
      
      if language_code is None:
          language_code = instance.get_current_language()
  
      # In django-parler 1.1 the order of the arguments was fixed, It used to be language_code, field_name
      # This serves as detection against backwards incompatibility issues.
      if len(field_name) <= 5 and len(language_code) > 5:
          raise RuntimeError("Unexpected language code, did you swap field_name, language_code?")
  
      translated_model = instance._parler_meta.get_model_by_field(field_name)
      values = _get_cached_values(instance, translated_model, language_code, use_fallback)
      if not values:
          return None
  
      # Allow older cached versions where the field didn't exist yet.
      return values.get(field_name, None)
docs: Fetch an cached field.