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  <section id="the-none-object">
<span id="noneobject"></span><h1>The <code class="docutils literal notranslate"><span class="pre">None</span></code> Object<a class="headerlink" href="#the-none-object" title="Permalink to this headline">¶</a></h1>
<p id="index-0">Note that the <a class="reference internal" href="type.html#c.PyTypeObject" title="PyTypeObject"><code class="xref c c-type docutils literal notranslate"><span class="pre">PyTypeObject</span></code></a> for <code class="docutils literal notranslate"><span class="pre">None</span></code> is not directly exposed in the
Python/C API.  Since <code class="docutils literal notranslate"><span class="pre">None</span></code> is a singleton, testing for object identity (using
<code class="docutils literal notranslate"><span class="pre">==</span></code> in C) is sufficient. There is no <code class="xref c c-func docutils literal notranslate"><span class="pre">PyNone_Check()</span></code> function for the
same reason.</p>
<dl class="c var">
<dt class="sig sig-object c" id="c.Py_None">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject"><span class="n"><span class="pre">PyObject</span></span></a><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="sig-name descname"><span class="n"><span class="pre">Py_None</span></span></span><a class="headerlink" href="#c.Py_None" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The Python <code class="docutils literal notranslate"><span class="pre">None</span></code> object, denoting lack of value.  This object has no methods
and is <a class="reference external" href="https://peps.python.org/pep-0683/">immortal</a>.</p>
</dd></dl>

<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.12: </span><a class="reference internal" href="#c.Py_None" title="Py_None"><code class="xref c c-data docutils literal notranslate"><span class="pre">Py_None</span></code></a> is immortal.</p>
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<dt class="sig sig-object c" id="c.Py_RETURN_NONE">
<span class="sig-name descname"><span class="n"><span class="pre">Py_RETURN_NONE</span></span></span><a class="headerlink" href="#c.Py_RETURN_NONE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return <a class="reference internal" href="#c.Py_None" title="Py_None"><code class="xref c c-data docutils literal notranslate"><span class="pre">Py_None</span></code></a> from a function.</p>
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