django modelsTypeError：不支持解码str

Question

我是一个初学者，试图查看具有两条记录的基本查询集。我无法处理请求。寻找一些帮助。

class TestVenue(models.Model): 
    venue_name  = models.CharField(max_length=40) 
    venue_city  = models.CharField(max_length=20, null=True, blank=True) 
    venue_province = models.CharField(max_length=20, null=True, blank=True) 
    venue_shortcode = models.CharField(max_length=20, null=True, blank=True) 
    timestamp  = models.DateTimeField(auto_now_add=True) 
    update   = models.DateTimeField(auto_now=True) 
    my_date_field = models.DateField(auto_now=False, auto_now_add=False) 

    def __str__(self): 
     return self.venue_name 

我views.py是我想看到我的查询集的壳很简单

def venues_listview(request): 
    template_name = 'venues_list.html' 
    queryset = TestVenue.objects.all() 
    context = { 
     "object_list": queryset 
     } 
    return render(request, template_name, context) 

，但我得到了以下错误：

>>> from venues.models import TestVenue 
>>> TestVenue.object.all() 
Traceback (most recent call last): 
    File "<console>", line 1, in <module> 
AttributeError: type object 'TestVenue' has no attribute 'object' 
>>> TestVenue.objects.all() 
Traceback (most recent call last): 
    File "<console>", line 1, in <module> 
    File "C:\users\frank\desktop\test_env\lib\site-packages\django\db\models\query.py", line 229, in __repr__ 
    return '<%s %r>' % (self.__class__.__name__, data) 
    File "C:\users\frank\desktop\test_env\lib\site-packages\django\db\models\base.py", line 589, in __repr__ 
    u = six.text_type(self) 
    File "C:\users\frank\desktop\test_env\src\venues\models.py", line 14, in __str__ 
    #   return self.venue_name 
TypeError: decoding str is not supported 

Answer 1

你的错误是在这条线，

TestVenue.object.all() 

It shou LD是，

TestVenue.objects.all() 

objects是调用默认的经理，而不是object属性。

Answer 2

我重新启动了电脑，现在它正在工作。我曾尝试启动和停止服务器，但尚未解决问题。谢谢您的帮助。