TypeError: 'NoneType' object does not support item assignment这个错误表明你尝试在一个值为None的对象上进行元素赋值操作。在Python中,None表示一个空值,它没有任何属性和方法,因此不能对它进行类似字典或列表那样的赋值操作。 分析可能导致此错误出现的常见情况 链式调用导致的返回值为None: 当你链式调用函数或方法...
TypeError: ‘NoneType’ object is not iterable How to fix TypeError: A Bytes-Like object Is Required, Not ‘str’? How to Fix TypeError: ‘int’ Object Is Not Subscriptable In Python? [Solved] TypeError: ‘Module’ Object Is Not Callable in Python? [Solved] ValueError: Math Domain error ...
AttributeError: 'NoneType' object has no attribute 'dtype', You use this function to set the cost value: cost = compute_cost (Z5, Y) So cost is None here, which you pass into the .minimize () method. The fix is to use return; presumably you wanted to return the tf.reduce_mean (...