<p>Hi there,</p>

<p>Thanks for reporting this.  The code in SaveRestoreUtility is due for an overhaul (see also <a href="https://github.com/mlpack/mlpack/issues/315" class="issue-link" title="Make xml dependency optional">#315</a>) at some point, but this helps make it a bit simpler.  Hopefully the commit in <a href="https://github.com/mlpack/mlpack/commit/abdfa0b989940f82b799d6afa1a3861afbf991e7" class="commit-link"><tt>abdfa0b</tt></a> should help.</p>

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