Python Django 2.0查询集显示；目标（1）“；不显示值

我想显示列

“sett_name”

中的值，该值为（cisco和mikrotik）。但是html上显示的是

“c_设置对象（1）和c_设置对象（2）”

我在Python2.7和django 1.8上尝试了相同的代码。它可以工作，但是当我使用django 2.1.7在python3上试用时，它就不起作用了（我已经将代码修改为python3）

下面是

model.py

脚本：

class Ip(models.Model):
    ipaddr = models.CharField(max_length=255)
    vendor = models.CharField(max_length=255)
    def __str__ (self):
        return self.ipaddr
    def __str__(self):
        return 'ip address : %s: , vendor : %s' % (self.ipaddr, self.vendor)
class c_Setting(models.Model):
    class Meta:
        db_table = 'autonet_setting'
    sett_name = models.CharField(max_length=255)
    def __unicode__(self):
        return self.sett_name

from django import forms
from .models import Connect, Ip, c_Setting as settings
class IpForm(ModelForm):
    vendor = forms.ModelChoiceField(queryset=settings.objects.all().order_by('sett_name'))
    class Meta:
        model = Ip
        fields = ['ipaddr','vendor']
class SettingForm(ModelForm):
    class Meta:
        model = settings
        fields = [
            'sett_name',
                        ...
                        ...
                ]
...
...
...

...
...
ipform = IpFormset()
return render(request, 'config/code_based.html', {'form': formm, 'logins': Connect.objects.all(), 'ipform': ipform, 'status': status })
...
...

下面是

form.py

脚本：

class Ip(models.Model):
    ipaddr = models.CharField(max_length=255)
    vendor = models.CharField(max_length=255)
    def __str__ (self):
        return self.ipaddr
    def __str__(self):
        return 'ip address : %s: , vendor : %s' % (self.ipaddr, self.vendor)
class c_Setting(models.Model):
    class Meta:
        db_table = 'autonet_setting'
    sett_name = models.CharField(max_length=255)
    def __unicode__(self):
        return self.sett_name

from django import forms
from .models import Connect, Ip, c_Setting as settings
class IpForm(ModelForm):
    vendor = forms.ModelChoiceField(queryset=settings.objects.all().order_by('sett_name'))
    class Meta:
        model = Ip
        fields = ['ipaddr','vendor']
class SettingForm(ModelForm):
    class Meta:
        model = settings
        fields = [
            'sett_name',
                        ...
                        ...
                ]
...
...
...

...
...
ipform = IpFormset()
return render(request, 'config/code_based.html', {'form': formm, 'logins': Connect.objects.all(), 'ipform': ipform, 'status': status })
...
...

以下是html文件：

{{ ipform.management_form }} 
{% for form in ipform %}
...
...
form.vendor
...
...
{% endfor %}

下面是

view.py

脚本：

class Ip(models.Model):
    ipaddr = models.CharField(max_length=255)
    vendor = models.CharField(max_length=255)
    def __str__ (self):
        return self.ipaddr
    def __str__(self):
        return 'ip address : %s: , vendor : %s' % (self.ipaddr, self.vendor)
class c_Setting(models.Model):
    class Meta:
        db_table = 'autonet_setting'
    sett_name = models.CharField(max_length=255)
    def __unicode__(self):
        return self.sett_name

from django import forms
from .models import Connect, Ip, c_Setting as settings
class IpForm(ModelForm):
    vendor = forms.ModelChoiceField(queryset=settings.objects.all().order_by('sett_name'))
    class Meta:
        model = Ip
        fields = ['ipaddr','vendor']
class SettingForm(ModelForm):
    class Meta:
        model = settings
        fields = [
            'sett_name',
                        ...
                        ...
                ]
...
...
...

...
...
ipform = IpFormset()
return render(request, 'config/code_based.html', {'form': formm, 'logins': Connect.objects.all(), 'ipform': ipform, 'status': status })
...
...

---

正如我之前所说，它显示的是

“c_设置对象（1）和c_设置对象（2）”

而不是

“mikrotik和cisco”

。提前感谢

您需要一个

\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu？因为当我在django 1.8上运行我的代码时，它的worksNo不同于Python2和Python3。