<p dir="auto">Please consider merging <code class="notranslate">mean</code> and <code class="notranslate">average</code> and deprecating one in order to simplify the numpy interface and reduce confusion.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="In [23]: a = np.ones(3, 'i4, O')

In [24]: a[0] = a[1]
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
&lt;ipython-input-24-5ef5a6077ce6&gt; in &lt;module&gt;()
----&gt; 1 a[0] = a[1]

ValueError: Setting void-array with object members using buffer."><pre class="notranslate"><code class="notranslate">In [23]: a = np.ones(3, 'i4, O')

In [24]: a[0] = a[1]
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
&lt;ipython-input-24-5ef5a6077ce6&gt; in &lt;module&gt;()
----&gt; 1 a[0] = a[1]

ValueError: Setting void-array with object members using buffer.
</code></pre></div>
<p dir="auto">numpy 1.10.1<br>
First reported by @ldoddema in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="120607794" data-permission-text="Title is private" data-url="https://github.com/numpy/numpy/issues/6776" data-hovercard-type="pull_request" data-hovercard-url="/numpy/numpy/pull/6776/hovercard" href="https://github.com/numpy/numpy/pull/6776">#6776</a>.</p>