Object has no attribute find. Matrix panda. attributeerror. attributeerror: '_io.textiowrapper' object has no attribute 'split'. attributeerror: 'set' object has no attribute 'app' почему такая ошибка.

Object has no attribute find. Matrix panda. attributeerror. attributeerror: '_io.textiowrapper' object has no attribute 'split'. attributeerror: 'set' object has no attribute 'app' почему такая ошибка.
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