OFError()
        raise


def pickle_dump(data, file, protocol):
    try:
        pickle.dump(data, file, protocol)
        # On Python 3.3 flush throws sometimes an error even though the writing
        # operation should be completed.
        file.flush()
    # Python on Windows don't throw EPIPE errors for pipes. So reraise them with
    # the correct type and error number.
    except OSError:
        if sys.platform == 'win32':
            raise IOError(errno.EPIPE, "Broken pipe")
        raise
PK