Read the Docs build information Build id: 1025074 Project: leapyear-python-docs Version: latest Commit: d4536e890d99b1413658dc1b608d6af066c4ad04 Date: 2022-07-23T08:54:20.323278Z State: finished Success: False [rtd-command-info] start-time: 2022-07-23T08:54:22.236512Z, end-time: 2022-07-23T08:54:29.171669Z, duration: 6, exit-code: 0 git clone --no-single-branch --depth 50 git@github.com:LeapYear/python-docs.git . Cloning into '.'... Warning: Permanently added 'github.com,192.30.255.113' (ECDSA) to the list of known hosts. [rtd-command-info] start-time: 2022-07-23T08:54:29.412946Z, end-time: 2022-07-23T08:54:29.517312Z, duration: 0, exit-code: 0 git checkout --force origin/main Note: switching to 'origin/main'. 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 d4536e8 main [rtd-command-info] start-time: 2022-07-23T08:54:29.704729Z, end-time: 2022-07-23T08:54:29.780423Z, duration: 0, exit-code: 0 git clean -d -f -f [rtd-command-info] start-time: 2022-07-23T08:54:30.846922Z, end-time: 2022-07-23T08:54:35.431904Z, duration: 4, exit-code: 0 python3.7 -mvirtualenv Using base prefix '/home/docs/.pyenv/versions/3.7.9' New python executable in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/bin/python3.7 Also creating executable in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/bin/python Installing setuptools, pip, wheel... done. [rtd-command-info] start-time: 2022-07-23T08:54:35.642331Z, end-time: 2022-07-23T08:54:37.368198Z, duration: 1, exit-code: 0 python -m pip install --upgrade --no-cache-dir pip setuptools<58.3.0 Requirement already satisfied: pip in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (22.2) Collecting setuptools<58.3.0 Downloading setuptools-58.2.0-py3-none-any.whl (946 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 946.1/946.1 kB 30.6 MB/s eta 0:00:00 Installing collected packages: setuptools Attempting uninstall: setuptools Found existing installation: setuptools 63.2.0 Uninstalling setuptools-63.2.0: Successfully uninstalled setuptools-63.2.0 Successfully installed setuptools-58.2.0 [rtd-command-info] start-time: 2022-07-23T08:54:37.579957Z, end-time: 2022-07-23T08:54:45.389161Z, duration: 7, exit-code: 0 python -m pip install --upgrade --no-cache-dir mock==1.0.1 pillow==5.4.1 alabaster>=0.7,<0.8,!=0.7.5 commonmark==0.8.1 recommonmark==0.5.0 sphinx<2 sphinx-rtd-theme<0.5 readthedocs-sphinx-ext<2.2 jinja2<3.1.0 Collecting mock==1.0.1 Downloading mock-1.0.1.zip (861 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 861.9/861.9 kB 28.6 MB/s eta 0:00:00 Preparing metadata (setup.py): started Preparing metadata (setup.py): finished with status 'done' Collecting pillow==5.4.1 Downloading Pillow-5.4.1-cp37-cp37m-manylinux1_x86_64.whl (2.0 MB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 2.0/2.0 MB 150.8 MB/s eta 0:00:00 Collecting alabaster!=0.7.5,<0.8,>=0.7 Downloading alabaster-0.7.12-py2.py3-none-any.whl (14 kB) Collecting commonmark==0.8.1 Downloading commonmark-0.8.1-py2.py3-none-any.whl (47 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 47.4/47.4 kB 57.5 MB/s eta 0:00:00 Collecting recommonmark==0.5.0 Downloading recommonmark-0.5.0-py2.py3-none-any.whl (9.8 kB) Collecting sphinx<2 Downloading Sphinx-1.8.6-py2.py3-none-any.whl (3.1 MB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 3.1/3.1 MB 214.5 MB/s eta 0:00:00 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packaging Downloading packaging-21.3-py3-none-any.whl (40 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 40.8/40.8 kB 175.1 MB/s eta 0:00:00 Collecting six>=1.5 Downloading six-1.16.0-py2.py3-none-any.whl (11 kB) Collecting MarkupSafe>=2.0 Downloading MarkupSafe-2.1.1-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (25 kB) Collecting pytz>=2015.7 Downloading pytz-2022.1-py2.py3-none-any.whl (503 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 503.5/503.5 kB 237.8 MB/s eta 0:00:00 Collecting charset-normalizer<3,>=2 Downloading charset_normalizer-2.1.0-py3-none-any.whl (39 kB) Collecting certifi>=2017.4.17 Downloading certifi-2022.6.15-py3-none-any.whl (160 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 160.2/160.2 kB 208.5 MB/s eta 0:00:00 Collecting urllib3<1.27,>=1.21.1 Downloading urllib3-1.26.10-py2.py3-none-any.whl (139 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 139.2/139.2 kB 211.8 MB/s eta 0:00:00 Collecting idna<4,>=2.5 Downloading idna-3.3-py3-none-any.whl (61 kB) 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future: filename=future-0.18.2-py3-none-any.whl size=491070 sha256=a5a3e6268385badbb3ae226a42f8f906d3312a46dfd8475bf1bd150fe33ed6ad Stored in directory: /tmp/pip-ephem-wheel-cache-7rxhm9z3/wheels/56/b0/fe/4410d17b32f1f0c3cf54cdfb2bc04d7b4b8f4ae377e2229ba0 Successfully built mock future Installing collected packages: snowballstemmer, pytz, mock, alabaster, urllib3, sphinxcontrib-serializinghtml, six, pyparsing, Pygments, pillow, MarkupSafe, imagesize, idna, future, docutils, charset-normalizer, certifi, babel, sphinxcontrib-websupport, requests, packaging, jinja2, commonmark, sphinx, readthedocs-sphinx-ext, sphinx-rtd-theme, recommonmark Successfully installed MarkupSafe-2.1.1 Pygments-2.12.0 alabaster-0.7.12 babel-2.10.3 certifi-2022.6.15 charset-normalizer-2.1.0 commonmark-0.8.1 docutils-0.17.1 future-0.18.2 idna-3.3 imagesize-1.4.1 jinja2-3.0.3 mock-1.0.1 packaging-21.3 pillow-5.4.1 pyparsing-3.0.9 pytz-2022.1 readthedocs-sphinx-ext-2.1.8 recommonmark-0.5.0 requests-2.28.1 six-1.16.0 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/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (21.3) Collecting sphinx-autodoc-typehints>=1.6.0 Downloading sphinx_autodoc_typehints-1.18.2-py3-none-any.whl (12 kB) Downloading sphinx_autodoc_typehints-1.18.1-py3-none-any.whl (12 kB) Downloading sphinx_autodoc_typehints-1.18.0-py3-none-any.whl (12 kB) Downloading sphinx_autodoc_typehints-1.17.1-py3-none-any.whl (12 kB) Downloading sphinx_autodoc_typehints-1.17.0-py3-none-any.whl (12 kB) Downloading sphinx_autodoc_typehints-1.16.0-py3-none-any.whl (12 kB) Downloading sphinx_autodoc_typehints-1.15.3-py3-none-any.whl (11 kB) Downloading sphinx_autodoc_typehints-1.15.2-py3-none-any.whl (11 kB) Downloading sphinx_autodoc_typehints-1.15.1-py3-none-any.whl (11 kB) Downloading sphinx_autodoc_typehints-1.15.0-py3-none-any.whl (11 kB) Downloading sphinx_autodoc_typehints-1.14.1-py3-none-any.whl (11 kB) Downloading sphinx_autodoc_typehints-1.14.0-py3-none-any.whl (11 kB) Downloading sphinx_autodoc_typehints-1.13.1-py3-none-any.whl (10 kB) Downloading sphinx_autodoc_typehints-1.13.0-py3-none-any.whl (10 kB) Downloading sphinx_autodoc_typehints-1.12.0-py3-none-any.whl (9.4 kB) Requirement already satisfied: MarkupSafe>=2.0 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from Jinja2<3.1->-r requirements/docs-requirements.txt (line 6)) (2.1.1) Requirement already satisfied: pytz>=2015.7 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from babel>=1.3->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (2022.1) Requirement already satisfied: future in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from commonmark>=0.7.3->recommonmark>=0.5.0->-r requirements/docs-requirements.txt (line 1)) (0.18.2) Requirement already satisfied: certifi>=2017.4.17 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from requests>=2.5.0->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (2022.6.15) Requirement already satisfied: idna<4,>=2.5 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from requests>=2.5.0->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (3.3) Requirement already satisfied: charset-normalizer<3,>=2 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from requests>=2.5.0->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (2.1.0) Requirement already satisfied: urllib3<1.27,>=1.21.1 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from requests>=2.5.0->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (1.26.10) Requirement already satisfied: pyparsing!=3.0.5,>=2.0.2 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages (from packaging->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (3.0.9) Installing collected packages: sphinxcontrib-qthelp, sphinxcontrib-jsmath, sphinxcontrib-htmlhelp, sphinxcontrib-devhelp, sphinxcontrib-applehelp, pydocstyle, docutils, sphinx, sphinx-autodoc-typehints Attempting uninstall: docutils Found existing installation: docutils 0.17.1 Uninstalling docutils-0.17.1: Successfully uninstalled docutils-0.17.1 Attempting uninstall: sphinx Found existing installation: Sphinx 1.8.6 Uninstalling Sphinx-1.8.6: Successfully uninstalled Sphinx-1.8.6 Successfully installed docutils-0.16 pydocstyle-6.1.1 sphinx-3.5.4 sphinx-autodoc-typehints-1.12.0 sphinxcontrib-applehelp-1.0.2 sphinxcontrib-devhelp-1.0.2 sphinxcontrib-htmlhelp-2.0.0 sphinxcontrib-jsmath-1.0.1 sphinxcontrib-qthelp-1.0.3 [rtd-command-info] start-time: 2022-07-23T08:54:49.208098Z, end-time: 2022-07-23T08:54:51.747232Z, duration: 2, exit-code: 2 python -m pip install --upgrade --upgrade-strategy eager --no-cache-dir . Processing /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/checkouts/latest 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 'done' ERROR: Exception: Traceback (most recent call last): File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper status = run_func(*args) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/cli/req_command.py", line 247, in wrapper return func(self, options, args) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 370, in run reqs, check_supported_wheels=not options.target_dir File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 73, in resolve collected = self.factory.collect_root_requirements(root_reqs) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 493, in collect_root_requirements requested_extras=(), File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 458, in _make_requirement_from_install_req version=None, File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 211, in _make_candidate_from_link version=version, File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 303, in __init__ version=version, File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 162, in __init__ self.dist = self._prepare() File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 231, in _prepare dist = self._prepare_distribution() File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 308, in _prepare_distribution return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 438, in prepare_linked_requirement return self._prepare_linked_requirement(req, parallel_builds) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 529, in _prepare_linked_requirement self.check_build_deps, File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution finder, build_isolation, check_build_deps File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/distributions/sdist.py", line 48, in prepare_distribution_metadata self._install_build_reqs(finder) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/distributions/sdist.py", line 118, in _install_build_reqs build_reqs = self._get_build_requires_wheel() File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/distributions/sdist.py", line 95, in _get_build_requires_wheel return backend.get_requires_for_build_wheel() File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_internal/utils/misc.py", line 685, in get_requires_for_build_wheel return super().get_requires_for_build_wheel(config_settings=cs) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_vendor/pep517/wrappers.py", line 173, in get_requires_for_build_wheel 'config_settings': config_settings File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_vendor/pep517/wrappers.py", line 332, in _call_hook raise BackendUnavailable(data.get('traceback', '')) pip._vendor.pep517.wrappers.BackendUnavailable: Traceback (most recent call last): File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 89, in _build_backend obj = import_module(mod_path) File "/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/latest/lib/python3.7/importlib/__init__.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "", line 1006, in _gcd_import File "", line 983, in _find_and_load File "", line 965, in _find_and_load_unlocked ModuleNotFoundError: No module named 'backend'