Python mypy:float和int是与数字不兼容的类型实数

问题描述

我是Python静态键入模块mypy的新手。我试图将整数和浮点数附加到一个数组,我将其静态键入为Real。但是mypy说它们是与Real不兼容的类型。我以为int和float是Real的子类型?

    data : List[Real] = []
    with open(path,'r') as file:
        for line in file:
            line = line.strip()
            if subject == 'time':
                data.append(float(line))
            else:
                data.append(int(line))

错误消息:

graph.py:56: error: Argument 1 to "append" of "list" has incompatible type "float"; expected "Real"
graph.py:58: error: Argument 1 to "append" of "list" has incompatible type "int"; expected "Real"

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