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Django 3.x:AttributeError:模块“django.contrib.admin”没有属性“display”

from django.contrib import admin
from .models import Shop

@admin.register(Shop)
class ShopAdmin(admin.ModelAdmin):
 

     @admin.display(description='Name')
     def upper_case_name(self,obj):
         return("%s" % (obj.name)).upper()   

  
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django web-development-server python-3.x

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