Read the Docs build information Build id: 4012291 Project: xanaduai-pennylane-ionq Version: 183 Commit: ac0b6c39d00b65621dac6e5adac3de959ba99db0 Date: 2026-05-13T20:13:53.286853Z State: finished Success: False [rtd-command-info] start-time: 2026-05-13T20:13:53.957031Z, end-time: 2026-05-13T20:13:54.407288Z, duration: 0, exit-code: 0 git clone --depth 1 https://github.com/PennyLaneAI/PennyLane-IonQ.git . Cloning into '.'... [rtd-command-info] start-time: 2026-05-13T20:13:54.489316Z, end-time: 2026-05-13T20:13:55.390944Z, duration: 0, exit-code: 0 git fetch origin --force --prune --prune-tags --depth 50 pull/183/head:external-183 From https://github.com/PennyLaneAI/PennyLane-IonQ * [new ref] refs/pull/183/head -> external-183 * [new tag] v0.36.0 -> v0.36.0 * [new tag] v0.36.0.post0 -> v0.36.0.post0 * [new tag] v0.39.0 -> v0.39.0 * [new tag] v0.41.0 -> v0.41.0 * [new tag] v0.42.0 -> v0.42.0 * [new tag] v0.43.0 -> v0.43.0 * [new tag] v0.44.0 -> v0.44.0 * [new tag] v0.45.0 -> v0.45.0 [rtd-command-info] start-time: 2026-05-13T20:13:56.068076Z, end-time: 2026-05-13T20:13:56.111124Z, duration: 0, exit-code: 0 git checkout --force ac0b6c39d00b65621dac6e5adac3de959ba99db0 Note: switching to 'ac0b6c39d00b65621dac6e5adac3de959ba99db0'. You are in 'detached HEAD' state. You can look around, make experimental changes and commit them, and you can discard any commits you make in this state without impacting any branches by switching back to a branch. If you want to create a new branch to retain commits you create, you may do so (now or later) by using -c with the switch command. Example: git switch -c Or undo this operation with: git switch - Turn off this advice by setting config variable advice.detachedHead to false HEAD is now at ac0b6c3 Adding pyproject.toml and updating workflows [rtd-command-info] start-time: 2026-05-13T20:13:56.188727Z, end-time: 2026-05-13T20:13:56.228551Z, duration: 0, exit-code: 0 cat .readthedocs.yml # .readthedocs.yml # Read the Docs configuration file # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details # Required version: 2 # Build documentation in the doc/ directory with Sphinx sphinx: configuration: doc/conf.py # Build documentation with MkDocs #mkdocs: # configuration: mkdocs.yml # Optionally build your docs in additional formats such as PDF and ePub formats: - htmlzip # Optionally set the version of Python and requirements required to build your docs python: install: - method: pip path: . extra_requirements: - docs build: os: ubuntu-24.04 tools: python: "3.11" apt_packages: - graphviz [rtd-command-info] start-time: 2026-05-13T20:13:57.041299Z, end-time: 2026-05-13T20:13:59.927751Z, duration: 2, exit-code: 0 apt-get update --assume-yes --quiet Hit:1 http://archive.ubuntu.com/ubuntu noble InRelease Get:2 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB] Get:3 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [2038 kB] Get:4 http://security.ubuntu.com/ubuntu noble-security/main amd64 Components [25.8 kB] Get:5 http://archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB] Get:6 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [1504 kB] Get:7 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Components [94.6 kB] Get:8 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Packages [3610 kB] Get:9 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Components [157 B] Get:10 http://security.ubuntu.com/ubuntu noble-security/multiverse amd64 Packages [34.2 kB] Get:11 http://security.ubuntu.com/ubuntu noble-security/multiverse amd64 Components [158 B] Get:12 http://archive.ubuntu.com/ubuntu noble-backports InRelease [126 kB] Get:13 http://archive.ubuntu.com/ubuntu noble/main amd64 Components [665 kB] Get:14 http://archive.ubuntu.com/ubuntu noble/universe amd64 Components [5943 kB] Get:15 http://archive.ubuntu.com/ubuntu noble/multiverse amd64 Components [41.9 kB] Get:16 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [2412 kB] Get:17 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Components [237 kB] Get:18 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [2147 kB] Get:19 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Components [534 kB] Get:20 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Packages [3824 kB] Get:21 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Components [159 B] Get:22 http://archive.ubuntu.com/ubuntu noble-updates/multiverse amd64 Packages [54.1 kB] Get:23 http://archive.ubuntu.com/ubuntu noble-updates/multiverse amd64 Components [889 B] Get:24 http://archive.ubuntu.com/ubuntu noble-backports/main amd64 Packages [49.0 kB] Get:25 http://archive.ubuntu.com/ubuntu noble-backports/main amd64 Components [6351 B] Get:26 http://archive.ubuntu.com/ubuntu noble-backports/universe amd64 Packages [35.9 kB] Get:27 http://archive.ubuntu.com/ubuntu noble-backports/universe amd64 Components [11.3 kB] Get:28 http://archive.ubuntu.com/ubuntu noble-backports/restricted amd64 Components [160 B] Get:29 http://archive.ubuntu.com/ubuntu noble-backports/multiverse amd64 Packages [671 B] Get:30 http://archive.ubuntu.com/ubuntu noble-backports/multiverse amd64 Components [161 B] Fetched 23.6 MB in 1s (22.9 MB/s) Reading package lists... [rtd-command-info] start-time: 2026-05-13T20:14:00.026773Z, end-time: 2026-05-13T20:14:03.103402Z, duration: 3, exit-code: 0 apt-get install --assume-yes --quiet -- graphviz Reading package lists... Building dependency tree... Reading state information... The following additional packages will be installed: fonts-liberation fonts-liberation-sans-narrow fonts-liberation2 libann0 libcdt5 libcgraph6 libgraphviz-dev libgvc6 libgvc6-plugins-gtk libgvpr2 liblab-gamut1 libpathplan4 libxdot4 Suggested packages: gsfonts graphviz-doc The following NEW packages will be installed: fonts-liberation fonts-liberation-sans-narrow fonts-liberation2 graphviz libann0 The following packages will be upgraded: libcdt5 libcgraph6 libgraphviz-dev libgvc6 libgvc6-plugins-gtk libgvpr2 liblab-gamut1 libpathplan4 libxdot4 9 upgraded, 5 newly installed, 0 to remove and 345 not upgraded. Need to get 5447 kB of archives. After this operation, 7454 kB of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation all 1:2.1.5-3 [1603 kB] Get:2 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation-sans-narrow all 1:1.07.6-4 [197 kB] Get:3 http://archive.ubuntu.com/ubuntu noble/universe amd64 fonts-liberation2 all 1:2.1.5-3 [3418 B] Get:4 http://archive.ubuntu.com/ubuntu noble/universe amd64 libann0 amd64 1.1.2+doc-9build1 [25.5 kB] Get:5 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgraphviz-dev amd64 2.42.2-9ubuntu0.1 [58.0 kB] Get:6 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcgraph6 amd64 2.42.2-9ubuntu0.1 [44.6 kB] Get:7 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libpathplan4 amd64 2.42.2-9ubuntu0.1 [24.0 kB] Get:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6 amd64 2.42.2-9ubuntu0.1 [716 kB] Get:9 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvpr2 amd64 2.42.2-9ubuntu0.1 [187 kB] Get:10 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libxdot4 amd64 2.42.2-9ubuntu0.1 [16.6 kB] Get:11 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 liblab-gamut1 amd64 2.42.2-9ubuntu0.1 [1886 kB] Get:12 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6-plugins-gtk amd64 2.42.2-9ubuntu0.1 [21.0 kB] Get:13 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcdt5 amd64 2.42.2-9ubuntu0.1 [21.6 kB] Get:14 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 graphviz amd64 2.42.2-9ubuntu0.1 [642 kB] debconf: delaying package configuration, since apt-utils is not installed Fetched 5447 kB in 0s (42.4 MB/s) Selecting previously unselected package fonts-liberation. 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[rtd-command-info] start-time: 2026-05-13T20:14:06.885750Z, end-time: 2026-05-13T20:14:06.938881Z, duration: 0, exit-code: 0 asdf global python 3.11.14 [rtd-command-info] start-time: 2026-05-13T20:14:07.345996Z, end-time: 2026-05-13T20:14:07.829092Z, duration: 0, exit-code: 0 python -mvirtualenv $READTHEDOCS_VIRTUALENV_PATH created virtual environment CPython3.11.14.final.0-64 in 266ms creator CPython3Posix(dest=/home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183, clear=False, no_vcs_ignore=False, global=False) seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/docs/.local/share/virtualenv) added seed packages: pip==23.1, setuptools==67.6.1, wheel==0.40.0 activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator [rtd-command-info] start-time: 2026-05-13T20:14:07.908574Z, end-time: 2026-05-13T20:14:10.864177Z, duration: 2, exit-code: 0 python -m pip install --upgrade --no-cache-dir pip setuptools Requirement already satisfied: pip in /home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183/lib/python3.11/site-packages (23.1) Collecting pip Downloading pip-26.1.1-py3-none-any.whl (1.8 MB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.8/1.8 MB 16.3 MB/s eta 0:00:00 Requirement already satisfied: setuptools in /home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183/lib/python3.11/site-packages (67.6.1) Collecting setuptools Downloading setuptools-82.0.1-py3-none-any.whl (1.0 MB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.0/1.0 MB 29.1 MB/s eta 0:00:00 Installing collected packages: setuptools, pip Attempting uninstall: setuptools Found existing installation: setuptools 67.6.1 Uninstalling setuptools-67.6.1: Successfully uninstalled setuptools-67.6.1 Attempting uninstall: pip Found existing installation: pip 23.1 Uninstalling pip-23.1: Successfully uninstalled pip-23.1 Successfully 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urllib3-2.7.0-py3-none-any.whl (131 kB) Downloading certifi-2026.4.22-py3-none-any.whl (135 kB) Downloading roman_numerals-4.1.0-py3-none-any.whl (7.7 kB) Downloading snowballstemmer-3.0.1-py3-none-any.whl (103 kB) Downloading sphinxcontrib_applehelp-2.0.0-py3-none-any.whl (119 kB) Downloading sphinxcontrib_devhelp-2.0.0-py3-none-any.whl (82 kB) Downloading sphinxcontrib_htmlhelp-2.1.0-py3-none-any.whl (98 kB) Downloading sphinxcontrib_jsmath-1.0.1-py2.py3-none-any.whl (5.1 kB) Downloading sphinxcontrib_qthelp-2.0.0-py3-none-any.whl (88 kB) Downloading sphinxcontrib_serializinghtml-2.0.0-py3-none-any.whl (92 kB) Installing collected packages: urllib3, sphinxcontrib-serializinghtml, sphinxcontrib-qthelp, sphinxcontrib-jsmath, sphinxcontrib-htmlhelp, sphinxcontrib-devhelp, sphinxcontrib-applehelp, snowballstemmer, roman-numerals, Pygments, packaging, MarkupSafe, imagesize, idna, docutils, charset_normalizer, certifi, babel, alabaster, requests, Jinja2, sphinx Successfully installed Jinja2-3.1.6 MarkupSafe-3.0.3 Pygments-2.20.0 alabaster-1.0.0 babel-2.18.0 certifi-2026.4.22 charset_normalizer-3.4.7 docutils-0.22.4 idna-3.15 imagesize-2.0.0 packaging-26.2 requests-2.34.1 roman-numerals-4.1.0 snowballstemmer-3.0.1 sphinx-9.0.4 sphinxcontrib-applehelp-2.0.0 sphinxcontrib-devhelp-2.0.0 sphinxcontrib-htmlhelp-2.1.0 sphinxcontrib-jsmath-1.0.1 sphinxcontrib-qthelp-2.0.0 sphinxcontrib-serializinghtml-2.0.0 urllib3-2.7.0 [rtd-command-info] start-time: 2026-05-13T20:14:15.031908Z, end-time: 2026-05-13T20:14:16.563111Z, duration: 1, exit-code: 1 python -m pip install --upgrade --upgrade-strategy only-if-needed --no-cache-dir .[docs] Processing ./. Installing build dependencies: started Installing build dependencies: finished with status 'done' Getting requirements to build wheel: started Getting requirements to build wheel: finished with status 'error' error: subprocess-exited-with-error × Getting requirements to build wheel did not run successfully. │ exit code: 1 ╰─> [43 lines of output] /tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/dist.py:332: InformationOnly: Normalizing '0.46.0-dev' to '0.46.0.dev0' self.metadata.version = self._normalize_version(self.metadata.version) /tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsWarning: `license` overwritten by `pyproject.toml` corresp(dist, value, root_dir) /tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsWarning: `install_requires` overwritten in `pyproject.toml` (dependencies) corresp(dist, value, root_dir) Traceback (most recent call last): File "/home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183/lib/python3.11/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 389, in main() File "/home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183/lib/python3.11/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 373, in main json_out["return_val"] = hook(**hook_input["kwargs"]) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183/lib/python3.11/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 143, in get_requires_for_build_wheel return hook(config_settings) ^^^^^^^^^^^^^^^^^^^^^ File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/build_meta.py", line 333, in get_requires_for_build_wheel return self._get_build_requires(config_settings, requirements=[]) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/build_meta.py", line 301, in _get_build_requires self.run_setup() File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/build_meta.py", line 317, in run_setup exec(code, locals()) File "", line 70, in File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/__init__.py", line 117, in setup return distutils.core.setup(**attrs) # type: ignore[return-value] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/_distutils/core.py", line 160, in setup dist.parse_config_files() File "/home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/envs/183/lib/python3.11/site-packages/_virtualenv.py", line 21, in parse_config_files result = old_parse_config_files(self, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/dist.py", line 762, in parse_config_files pyprojecttoml.apply_configuration(self, filename, ignore_option_errors) File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/config/pyprojecttoml.py", line 73, in apply_configuration return _apply(dist, config, filepath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/config/_apply_pyprojecttoml.py", line 61, in apply dist._finalize_license_expression() File "/tmp/pip-build-env-48s7e6ty/overlay/lib/python3.11/site-packages/setuptools/dist.py", line 430, in _finalize_license_expression raise InvalidConfigError( setuptools.errors.InvalidConfigError: License classifiers have been superseded by license expressions (see https://peps.python.org/pep-0639/). Please remove: License :: OSI Approved :: Apache Software License [end of output] note: This error originates from a subprocess, and is likely not a problem with pip. ERROR: Failed to build 'file:///home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane-ionq/checkouts/183' when getting requirements to build wheel