def __init__(self, stream: io.BufferedIOBase):
if not isinstance(stream, io.BufferedIOBase):
raise TypeError("need BufferedIOBase")
self.stream = stream
assert stream.isatty() is False and stream.seekable() is True
def __init__(self, stream: io.BufferedIOBase):
if not isinstance(stream, io.BufferedIOBase):
raise TypeError("need BufferedIOBase")
self.stream = stream
assert stream.isatty() is False and stream.seekable() is True