Read the Docs build information Build id: 1023147 Project: leapyear-python-docs Version: 3.3 Commit: a589f7c24845552bf0ce371cdfbe380aaa7edb98 Date: 2022-07-21T20:23:45.805383Z State: finished Success: False [rtd-command-info] start-time: 2022-07-21T20:24:08.570935Z, end-time: 2022-07-21T20:24:17.526727Z, duration: 8, exit-code: 0 git clone --no-single-branch --depth 50 git@github.com:LeapYear/python-docs.git . Cloning into '.'... Warning: Permanently added 'github.com,192.30.255.112' (ECDSA) to the list of known hosts. [rtd-command-info] start-time: 2022-07-21T20:24:17.793916Z, end-time: 2022-07-21T20:24:17.900152Z, duration: 0, exit-code: 0 git checkout --force origin/3.3 Note: switching to 'origin/3.3'. 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 a589f7c FIX: Try installing importlib [rtd-command-info] start-time: 2022-07-21T20:24:18.105848Z, end-time: 2022-07-21T20:24:18.181388Z, duration: 0, exit-code: 0 git clean -d -f -f [rtd-command-info] start-time: 2022-07-21T20:24:19.191200Z, end-time: 2022-07-21T20:24:23.660551Z, duration: 4, exit-code: 0 python3.7 -mvirtualenv /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3 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/3.3/bin/python3.7 Also creating executable in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/bin/python Installing setuptools, pip, wheel... done. [rtd-command-info] start-time: 2022-07-21T20:24:23.866000Z, end-time: 2022-07-21T20:24:25.630148Z, duration: 1, exit-code: 0 /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/bin/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/3.3/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 24.7 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: 2022-07-21T20:24:25.857115Z, end-time: 2022-07-21T20:24:33.449114Z, duration: 7, exit-code: 0 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/tmp/pip-ephem-wheel-cache-dgr65vq8/wheels/7a/94/b1/0fdc5339a5bd487a5cc15421ec200d9ba3e2aa7190e4a727f1 Building wheel for future (setup.py): started Building wheel for future (setup.py): finished with status 'done' Created wheel for future: filename=future-0.18.2-py3-none-any.whl size=491070 sha256=834a6e9d9998f79b340910e3bbae20acde02903ecfc724ab462dd811def131f3 Stored in directory: /tmp/pip-ephem-wheel-cache-dgr65vq8/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 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/home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/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/3.3/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/3.3/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/3.3/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: urllib3<1.27,>=1.21.1 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/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: charset-normalizer<3,>=2 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/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: idna<4,>=2.5 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/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: pyparsing!=3.0.5,>=2.0.2 in /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/lib/python3.7/site-packages (from packaging->sphinx<4.0.0,>=2.1.2->-r requirements/docs-requirements.txt (line 2)) (3.0.9) Building wheels for collected packages: importlib Building wheel for importlib (setup.py): started Building wheel for importlib (setup.py): finished with status 'done' Created wheel for importlib: filename=importlib-1.0.4-py3-none-any.whl size=5875 sha256=c4b1898c103bdbd62bb325d43717ac232f8206ce4c6ea35a25eada40124c70d4 Stored in directory: /tmp/pip-ephem-wheel-cache-5tr76_go/wheels/86/e4/cb/62b0e9efd7da1e984baec0c0ded0b727a7ed25e1904ed51fca Successfully built importlib Installing collected packages: importlib, 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 importlib-1.0.4 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: 2022-07-21T20:24:37.919703Z, end-time: 2022-07-21T20:24:40.386304Z, duration: 2, exit-code: 2 /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/envs/3.3/bin/python -m pip install --upgrade --upgrade-strategy eager --no-cache-dir . Processing /home/docs/checkouts/readthedocs.org/user_builds/leapyear-python-docs/checkouts/3.3 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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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/3.3/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'