pypy/module/_io/test/test_bufferedio.py::AppTestBufferedReaderWithThreads::()::test_readinto_small_parts

self = <pypy.interpreter.typedef.W_ObjectObjectUserDictWeakrefable object at 0x000000015bf7bd38>

    def test_readinto_small_parts(self):
>           import _io, os, _thread, time
E           (application-level) LookupError: unknown encoding: utf-8

[/Users/matti/build-worker-arm64/own-macos-arm64/build/pypy/module/_io/test/test_bufferedio.py:472]:2: LookupError

builder: own-macos-arm64 build #1354+

test: pypy/module/_io/test/test_bufferedio.py::AppTestBufferedReaderWithThreads::()::test_readinto_small_parts