code: def get_field(cls, model, opts, label, field):
      
  
      trans_model = model._meta.translation_model
      try:
          (f, lang_id) = trans_model._meta.translated_fields[field]
          return f
      except KeyError:
          # fall back to the old way -- see if model contains the field
          # directly
          pass
  
      try:
          return opts.get_field(field)
      except models.FieldDoesNotExist:
          raise ImproperlyConfigured("'%s.%s' refers to field '%s' that is " \
              "missing from model '%s'." \
              % (cls.__name__, label, field, model.__name__))
docs: Just like django.contrib.admin.validation.get_field, but knows
      about translation models.