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<section id="pending-removal-in-python-3-16">
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<h1>Pending removal in Python 3.16<a class="headerlink" href="#pending-removal-in-python-3-16" title="Link to this heading">¶</a></h1>
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<li><p>The import system:</p>
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<ul>
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<li><p>Setting <a class="reference internal" href="../reference/datamodel.html#module.__loader__" title="module.__loader__"><code class="xref py py-attr docutils literal notranslate"><span class="pre">__loader__</span></code></a> on a module while
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failing to set <a class="reference internal" href="../library/importlib.html#importlib.machinery.ModuleSpec.loader" title="importlib.machinery.ModuleSpec.loader"><code class="xref py py-attr docutils literal notranslate"><span class="pre">__spec__.loader</span></code></a>
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is deprecated. In Python 3.16, <code class="xref py py-attr docutils literal notranslate"><span class="pre">__loader__</span></code> will cease to be set or
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taken into consideration by the import system or the standard library.</p></li>
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</ul>
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</li>
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<li><p><a class="reference internal" href="../library/array.html#module-array" title="array: Space efficient arrays of uniformly typed numeric values."><code class="xref py py-mod docutils literal notranslate"><span class="pre">array</span></code></a>:</p>
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<ul>
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<li><p>The <code class="docutils literal notranslate"><span class="pre">'u'</span></code> format code (<code class="xref c c-type docutils literal notranslate"><span class="pre">wchar_t</span></code>)
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has been deprecated in documentation since Python 3.3
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and at runtime since Python 3.13.
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Use the <code class="docutils literal notranslate"><span class="pre">'w'</span></code> format code (<a class="reference internal" href="../c-api/unicode.html#c.Py_UCS4" title="Py_UCS4"><code class="xref c c-type docutils literal notranslate"><span class="pre">Py_UCS4</span></code></a>)
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for Unicode characters instead.</p></li>
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</ul>
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<li><p><a class="reference internal" href="../library/asyncio.html#module-asyncio" title="asyncio: Asynchronous I/O."><code class="xref py py-mod docutils literal notranslate"><span class="pre">asyncio</span></code></a>:</p>
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<ul>
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<li><p><code class="xref py py-func docutils literal notranslate"><span class="pre">asyncio.iscoroutinefunction()</span></code> is deprecated
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and will be removed in Python 3.16,
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use <a class="reference internal" href="../library/inspect.html#inspect.iscoroutinefunction" title="inspect.iscoroutinefunction"><code class="xref py py-func docutils literal notranslate"><span class="pre">inspect.iscoroutinefunction()</span></code></a> instead.
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(Contributed by Jiahao Li and Kumar Aditya in <a class="reference external" href="https://github.com/python/cpython/issues/122875">gh-122875</a>.)</p></li>
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</ul>
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<li><p><a class="reference internal" href="../library/builtins.html#module-builtins" title="builtins: The module that provides the built-in namespace."><code class="xref py py-mod docutils literal notranslate"><span class="pre">builtins</span></code></a>:</p>
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<ul>
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<li><p>Bitwise inversion on boolean types, <code class="docutils literal notranslate"><span class="pre">~True</span></code> or <code class="docutils literal notranslate"><span class="pre">~False</span></code>
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has been deprecated since Python 3.12,
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as it produces surprising and unintuitive results (<code class="docutils literal notranslate"><span class="pre">-2</span></code> and <code class="docutils literal notranslate"><span class="pre">-1</span></code>).
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Use <code class="docutils literal notranslate"><span class="pre">not</span> <span class="pre">x</span></code> instead for the logical negation of a Boolean.
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In the rare case that you need the bitwise inversion of
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the underlying integer, convert to <code class="docutils literal notranslate"><span class="pre">int</span></code> explicitly (<code class="docutils literal notranslate"><span class="pre">~int(x)</span></code>).</p></li>
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</ul>
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<li><p><a class="reference internal" href="../library/shutil.html#module-shutil" title="shutil: High-level file operations, including copying."><code class="xref py py-mod docutils literal notranslate"><span class="pre">shutil</span></code></a>:</p>
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<ul>
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<li><p>The <code class="xref py py-class docutils literal notranslate"><span class="pre">ExecError</span></code> exception
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has been deprecated since Python 3.14.
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It has not been used by any function in <code class="xref py py-mod docutils literal notranslate"><span class="pre">shutil</span></code> since Python 3.4,
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and is now an alias of <a class="reference internal" href="../library/exceptions.html#RuntimeError" title="RuntimeError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">RuntimeError</span></code></a>.</p></li>
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<li><p><a class="reference internal" href="../library/symtable.html#module-symtable" title="symtable: Interface to the compiler's internal symbol tables."><code class="xref py py-mod docutils literal notranslate"><span class="pre">symtable</span></code></a>:</p>
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<li><p>The <a class="reference internal" href="../library/symtable.html#symtable.Class.get_methods" title="symtable.Class.get_methods"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Class.get_methods</span></code></a> method
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has been deprecated since Python 3.14.</p></li>
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<li><p><a class="reference internal" href="../library/sys.html#module-sys" title="sys: Access system-specific parameters and functions."><code class="xref py py-mod docutils literal notranslate"><span class="pre">sys</span></code></a>:</p>
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<ul>
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<li><p>The <a class="reference internal" href="../library/sys.html#sys._enablelegacywindowsfsencoding" title="sys._enablelegacywindowsfsencoding"><code class="xref py py-func docutils literal notranslate"><span class="pre">_enablelegacywindowsfsencoding()</span></code></a> function
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has been deprecated since Python 3.13.
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Use the <span class="target" id="index-0"></span><a class="reference internal" href="../using/cmdline.html#envvar-PYTHONLEGACYWINDOWSFSENCODING"><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONLEGACYWINDOWSFSENCODING</span></code></a> environment variable instead.</p></li>
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<li><p><a class="reference internal" href="../library/tarfile.html#module-tarfile" title="tarfile: Read and write tar-format archive files."><code class="xref py py-mod docutils literal notranslate"><span class="pre">tarfile</span></code></a>:</p>
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<li><p>The undocumented and unused <code class="xref py py-attr docutils literal notranslate"><span class="pre">TarFile.tarfile</span></code> attribute
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has been deprecated since Python 3.13.</p></li>
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