<p dir="auto">I suspect this is related to the recent release of sphinx 1.7.0 on 2/12/2018. We may need to update the submodule hash for sphinxext, or maybe even fix numpydoc.</p>
<p dir="auto">np.abs on a MIN_INT values returns negative numbers.</p>
<h3 dir="auto">Reproducing code example:</h3>

<div class="highlight highlight-source-python notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="import numpy as np
t = np.array([-1, 2, 43, -32768], dtype=np.int16)
print(np.abs(t))"><pre class="notranslate"><span class="pl-k">import</span> <span class="pl-s1">numpy</span> <span class="pl-k">as</span> <span class="pl-s1">np</span>
<span class="pl-s1">t</span> <span class="pl-c1">=</span> <span class="pl-s1">np</span>.<span class="pl-en">array</span>([<span class="pl-c1">-</span><span class="pl-c1">1</span>, <span class="pl-c1">2</span>, <span class="pl-c1">43</span>, <span class="pl-c1">-</span><span class="pl-c1">32768</span>], <span class="pl-s1">dtype</span><span class="pl-c1">=</span><span class="pl-s1">np</span>.<span class="pl-s1">int16</span>)
<span class="pl-en">print</span>(<span class="pl-s1">np</span>.<span class="pl-en">abs</span>(<span class="pl-s1">t</span>))</pre></div>
<p dir="auto">or</p>
<div class="highlight highlight-source-python notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="import numpy as np
t = np.array([-1, 2, 43, -2147483648], dtype=np.int32)
print(np.abs(t))"><pre class="notranslate"><span class="pl-k">import</span> <span class="pl-s1">numpy</span> <span class="pl-k">as</span> <span class="pl-s1">np</span>
<span class="pl-s1">t</span> <span class="pl-c1">=</span> <span class="pl-s1">np</span>.<span class="pl-en">array</span>([<span class="pl-c1">-</span><span class="pl-c1">1</span>, <span class="pl-c1">2</span>, <span class="pl-c1">43</span>, <span class="pl-c1">-</span><span class="pl-c1">2147483648</span>], <span class="pl-s1">dtype</span><span class="pl-c1">=</span><span class="pl-s1">np</span>.<span class="pl-s1">int32</span>)
<span class="pl-en">print</span>(<span class="pl-s1">np</span>.<span class="pl-en">abs</span>(<span class="pl-s1">t</span>))</pre></div>
<h3 dir="auto">Numpy/Python version information:</h3>

<p dir="auto">1.17.3 3.7.4 (default, Oct 12 2019, 18:55:28)<br>
[Clang 11.0.0 (clang-1100.0.33.8)]</p>