python3 json文件规范化问题(normalize)

Question

现有一个内容不规范的json文件（books.json），需要用Python的json_normalize()函数将其标准化file=open('books.json','r')text=file.read()text=json.loads（text）json_normalize(text,'book')运行出现错误“raise JSONDecodeError("Expecting value", s, err.value) from NoneJSONDecodeError: Expecting value”是怎么回事呢json文件的内容是：[{"writer":"Mark Ross","nationality":"USA","books":[        {"title":"XML Cookbook","price":23.56},        {"title":"Python Fundamentals","price":50.70},        {"title":"The NumPy library","price":12.30}]    },    {"writer":"Barbara Bracket","nationality":"UK","books":[           { "title":"Java Enterprise","price":28.60},           {"title":"HTML5","price":31.35},           {"title":"Python for Dummies","price":28.00}           ]    }]

Answer 1

我也没看出来

Answer 2

没看出来格式有什么错误？