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<p class="details" style="font-style: italic; color: #626168;">
<a href="https://gitlab.rtems.org/prashantrahul141">Prashant Rahul</a> created an issue: <a href="https://gitlab.rtems.org/rtems/docs/rtems-docs/-/issues/119">#119</a>
</p>
<div class="md" style="position: relative; z-index: 1; color: #3a383f; word-wrap: break-word;">
<h2 dir="auto" style="margin-top: 0; margin-bottom: 10px;" align="initial">
<a href="#summary" aria-hidden="true" class="anchor" id="user-content-summary" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Summary</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Build fails with the following error on python 3.11, 3.12 and 3.13:</p>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre data-canonical-lang="sh" class="code highlight js-syntax-highlight language-shell" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="shell" style="margin-top: 0;">Waf: Entering directory <span class="sb" style="margin-top: 0;">`</span>/home/prashant/Proj/rtems/docs/build<span class="s1">'</span></span>
<span id="LC2" class="line" lang="shell"><span class="s1" style="margin-top: 0;">Build: 7.d3cc883 (11th December 2025)</span></span>
<span id="LC3" class="line" lang="shell"><span class="s1" style="margin-top: 0;">[ 1/57] Processing catalogue.xml: wscript common/waf.py user/conf.py c-user/conf.py bsp-howto/conf.py posix-users/conf.py posix-compliance/conf.py eng/conf.py filesystem/conf.py shell/conf.py cpu-supplement/conf.py develenv/conf.py -> build/catalogue.xml</span></span>
<span id="LC4" class="line" lang="shell"><span class="s1" style="margin-top: 0;">Waf: Leaving directory `/home/prashant/Proj/rtems/docs/build'</span></span>
<span id="LC5" class="line" lang="shell">Build failed</span>
<span id="LC6" class="line" lang="shell">Traceback <span class="o" style="margin-top: 0;">(</span>most recent call last<span class="o">)</span>:</span>
<span id="LC7" class="line" lang="shell"> File <span class="s2" style="margin-top: 0;">"/home/prashant/Proj/rtems/docs/.waf3-2.1.4-72787ce48f227ac42c4b0da24e780694/waflib/Task.py"</span>, line 179, <span class="k">in </span>process</span>
<span id="LC8" class="line" lang="shell"> <span class="nv" style="margin-top: 0;">ret</span><span class="o">=</span>self.run<span class="o">()</span></span>
<span id="LC9" class="line" lang="shell"> File <span class="s2" style="margin-top: 0;">"/home/prashant/Proj/rtems/docs/wscript"</span>, line 51, <span class="k">in </span>catalogue</span>
<span id="LC10" class="line" lang="shell"> docs_waf.xml_catalogue<span class="o" style="margin-top: 0;">(</span>ctx, building<span class="o">)</span></span>
<span id="LC11" class="line" lang="shell"> ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^</span>
<span id="LC12" class="line" lang="shell"> File <span class="s2" style="margin-top: 0;">"/home/prashant/Proj/rtems/docs/common/waf.py"</span>, line 663, <span class="k">in </span>xml_catalogue</span>
<span id="LC13" class="line" lang="shell"> mf <span class="o" style="margin-top: 0;">=</span> importlib.util.spec_from_file_location<span class="o">(</span><span class="s1">'conf'</span>, p<span class="o">)</span></span>
<span id="LC14" class="line" lang="shell"> ^^^^^^^^^^^^^^</span>
<span id="LC15" class="line" lang="shell">AttributeError: module <span class="s1" style="margin-top: 0;">'importlib'</span> has no attribute <span class="s1">'util'</span></span></code></pre>
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<h2 dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">
<a href="#steps-to-reproduce" aria-hidden="true" class="anchor" id="user-content-steps-to-reproduce" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Steps to reproduce</h2>
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<pre data-canonical-lang="sh" class="code highlight js-syntax-highlight language-shell" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="shell" style="margin-top: 0;">❯ python <span class="nt" style="margin-top: 0;">--version</span></span>
<span id="LC2" class="line" lang="shell">Python 3.13.9</span>
<span id="LC3" class="line" lang="shell"></span>
<span id="LC4" class="line" lang="shell">❯ ./waf configure <span class="nt" style="margin-top: 0;">--disable-extra-fonts</span></span>
<span id="LC5" class="line" lang="shell">Setting top to : /home/prashant/Proj/rtems/docs</span>
<span id="LC6" class="line" lang="shell">Setting out to : /home/prashant/Proj/rtems/docs/build</span>
<span id="LC7" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'git'</span> : /home/prashant/.nix-profile/bin/git</span>
<span id="LC8" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC9" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC10" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'sphinx-build'</span> : /nix/store/f57103z3b3fmyglga0qrjzpxl90xz4bk-python3-3.13.9-env/bin/sphinx-build</span>
<span id="LC11" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'aspell'</span> : /nix/store/pmhv6ni0hr1a99f7wfis4jsv84852fq3-aspell-0.60.8.1/bin/aspell</span>
<span id="LC12" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">if </span>Sphinx is at least 1.3 : <span class="nb">yes</span> <span class="o">(</span>8.2<span class="o">)</span></span>
<span id="LC13" class="line" lang="shell">Checking Sphinx Options : none</span>
<span id="LC14" class="line" lang="shell">Checking Sphinx Nit-Pick mode : no</span>
<span id="LC15" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'sphinx_book_theme'</span> : 1.1.4</span>
<span id="LC16" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'sphinx_copybutton'</span> : 0.5.2</span>
<span id="LC17" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'linkify_it'</span> : 2.0.3</span>
<span id="LC18" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'myst_parser'</span> : 4.0.1</span>
<span id="LC19" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'sphinx_design'</span> : 0.6.1</span>
<span id="LC20" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'sphinx_tippy'</span> : 0.4.3</span>
<span id="LC21" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'sphinx_togglebutton'</span> : 0.3.2</span>
<span id="LC22" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python module <span class="s1">'sphinxext.opengraph'</span> : 0.13.0</span>
<span id="LC23" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx.ext.coverage'</span> : found</span>
<span id="LC24" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx.ext.doctest'</span> : found</span>
<span id="LC25" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx.ext.graphviz'</span> : found</span>
<span id="LC26" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx.ext.intersphinx'</span> : found</span>
<span id="LC27" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx.ext.mathjax'</span> : found</span>
<span id="LC28" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinxcontrib.bibtex'</span> : found</span>
<span id="LC29" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx_copybutton'</span> : found</span>
<span id="LC30" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinxcontrib.jquery'</span> : found</span>
<span id="LC31" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'myst_parser'</span> : found</span>
<span id="LC32" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx_design'</span> : found</span>
<span id="LC33" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx_tippy'</span> : found</span>
<span id="LC34" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinx_togglebutton'</span> : found</span>
<span id="LC35" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for</span> <span class="s1">'sphinxext.opengraph'</span> : found</span>
<span id="LC36" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC37" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC38" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC39" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC40" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC41" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC42" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC43" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC44" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC45" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC46" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC47" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC48" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC49" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC50" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC51" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC52" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>python version <span class="o">>=</span> 3.9 : 3.13.9</span>
<span id="LC53" class="line" lang="shell">Checking <span class="k" style="margin-top: 0;">for </span>program <span class="s1">'python'</span> : python3</span>
<span id="LC54" class="line" lang="shell"><span class="s1" style="margin-top: 0;">'configure'</span> finished successfully <span class="o">(</span>11.095s<span class="o">)</span></span>
<span id="LC55" class="line" lang="shell"></span>
<span id="LC56" class="line" lang="shell">❯ ./waf</span>
<span id="LC57" class="line" lang="shell">Waf: Entering directory <span class="sb" style="margin-top: 0;">`</span>/home/prashant/Proj/rtems/docs/build<span class="s1">'</span></span>
<span id="LC58" class="line" lang="shell"><span class="s1" style="margin-top: 0;">Build: 7.d3cc883 (11th December 2025)</span></span>
<span id="LC59" class="line" lang="shell"><span class="s1" style="margin-top: 0;">[ 1/57] Processing catalogue.xml: wscript common/waf.py user/conf.py c-user/conf.py bsp-howto/conf.py posix-users/conf.py posix-compliance/conf.py eng/conf.py filesystem/conf.py shell/conf.py cpu-supplement/conf.py develenv/conf.py -> build/catalogue.xml</span></span>
<span id="LC60" class="line" lang="shell"><span class="s1" style="margin-top: 0;">Waf: Leaving directory `/home/prashant/Proj/rtems/docs/build'</span></span>
<span id="LC61" class="line" lang="shell">Build failed</span>
<span id="LC62" class="line" lang="shell">Traceback <span class="o" style="margin-top: 0;">(</span>most recent call last<span class="o">)</span>:</span>
<span id="LC63" class="line" lang="shell"> File <span class="s2" style="margin-top: 0;">"/home/prashant/Proj/rtems/docs/.waf3-2.1.4-72787ce48f227ac42c4b0da24e780694/waflib/Task.py"</span>, line 179, <span class="k">in </span>process</span>
<span id="LC64" class="line" lang="shell"> <span class="nv" style="margin-top: 0;">ret</span><span class="o">=</span>self.run<span class="o">()</span></span>
<span id="LC65" class="line" lang="shell"> File <span class="s2" style="margin-top: 0;">"/home/prashant/Proj/rtems/docs/wscript"</span>, line 51, <span class="k">in </span>catalogue</span>
<span id="LC66" class="line" lang="shell"> docs_waf.xml_catalogue<span class="o" style="margin-top: 0;">(</span>ctx, building<span class="o">)</span></span>
<span id="LC67" class="line" lang="shell"> ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^</span>
<span id="LC68" class="line" lang="shell"> File <span class="s2" style="margin-top: 0;">"/home/prashant/Proj/rtems/docs/common/waf.py"</span>, line 663, <span class="k">in </span>xml_catalogue</span>
<span id="LC69" class="line" lang="shell"> mf <span class="o" style="margin-top: 0;">=</span> importlib.util.spec_from_file_location<span class="o">(</span><span class="s1">'conf'</span>, p<span class="o">)</span></span>
<span id="LC70" class="line" lang="shell"> ^^^^^^^^^^^^^^</span>
<span id="LC71" class="line" lang="shell">AttributeError: module <span class="s1" style="margin-top: 0;">'importlib'</span> has no attribute <span class="s1">'util'</span></span></code></pre>
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