[Django Rest] Allow Empty String in CharField

> CharField에 allow_blank 추가

class CustomDataSerializer(serializers.ModelSerializer): 
    ID = serializers.IntegerField(allow_null=True)
    Name = serializers.CharField(allow_blank=True)
    Type = serializers.CharField(allow_blank=True)
    Desc = serializers.CharField(allow_blank=True)

 

> 그 외 추가 옵션

Desc = serializers.CharField(allow_null=True, allow_blank=True, default=None, required=False)