WebThe ListSerializer class provides the behavior for serializing and validating multiple objects at once. You won't typically need to use ListSerializer directly, but should instead simply pass many=True when instantiating a serializer. When a serializer is instantiated and many=True is passed, a ListSerializer instance will be created. Web27 okt. 2024 · ListSerializer 类提供了序列化和一次验证多个对象的行为。 您 通常 不需要 ListSerializer 直接使用，而应该 many=True 在实例化序列化程序时简单地通过。 class …
Python TypeError: ‘list’ object is not callable
WebDjango Cusom User Manager Unit Test - NoneType object is not callable; django: TypeError: 'tuple' object is not callable 'Manager' object is not callable; TypeError: ‘DoesNotExist’ object is not callable 'ListSerializer' object is not callable; django 'str' object is not callable; django-'NoneType' object is not callable Web1 aug. 2024 · The TypeError ‘list’ object is not callable occurs when you access an item of a list by using parentheses. Parentheses are only applicable to callable objects like functions. To access elements in a list you have to use square brackets instead. Error ‘list’ object is not callable with a List Comprehension cynthia heald website
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Web27 okt. 2024 · En Python, un objeto X cualquiera es callable cuando puede ser usado como una llamada a función X(), posiblemente recibiendo parámetros y retornando algo. Una variable numérica no es callable. No es algo que esté definido; no hay un código que ejecutar detrás de ese valor. Web12 jun. 2024 · 下面说原理，原理其实很简单，‘list’ object is not callable意为“列表”对象不可调用，print等等python内置函数在一般调用时是不会出现这个问题的，但如果某一次操作中使用了内置函数名作为变量名，如。那么print就会失去原内置函数功能，转而作为一般变量使用，也就是说，print不再是内置函数 ... The error is that it's trying to call the serializer_class, which is an instance of ListSerializer, instead of a clas. Shouldn't this: serializer_class = VoteSerializer (queryset, many=True) Be that: serializer_class = VoteSerializer Share Improve this answer Follow answered Jun 1, 2016 at 20:44 jpic 32.7k 5 111 112 1 billy\u0027s downtown roanoke