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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _read_wrapper(data):
 """Ensure unicode always returned on read."""

        # Paramiko (strangely) in PY3 returns an int here.
        if isinstance(data, int):
            data = chr(data)
        # Ensure unicode
        return py23_compat.text_type(data)