code: def from_dict(document):
          
          # Get the type name from the document
          type_name = document['name']
          if type_name == ATTR_TYPE_INT:
              return IntType()
          elif type_name == ATTR_TYPE_FLOAT:
              return FloatType()
          elif type_name == ATTR_TYPE_ENUM:
              return EnumType(document['values'])
          elif type_name == ATTR_TYPE_DICT:
              return DictType()
          elif type_name == ATTR_TYPE_LIST:
              return ListType()
          else:
              raise ValueError('invalid attribute type: ' + str(type_name))
docs: Create data type definition form Json-like object represenation.
  
          Parameters
          ----------
          document : dict
              Json-like object represenation
  
          Returns
          -------
          AttributeType