code: def validate_meta(meta):
      
      if not isinstance(meta, (dict,)):
          raise TypeError('Model Meta "linguist" must be a dict')
  
      required_keys = ("identifier", "fields")
  
      for key in required_keys:
          if key not in meta:
              raise KeyError('Model Meta "linguist" dict requires %s to be defined', key)
  
      if not isinstance(meta["fields"], (list, tuple)):
          raise ImproperlyConfigured(
              "Linguist Meta's fields attribute must be a list or tuple"
          )
docs: Validates Linguist Meta attribute.