2026-01-08T23:10:16,942 Created temporary directory: /tmp/pip-ephem-wheel-cache-k1fyyywn
2026-01-08T23:10:16,944 Created temporary directory: /tmp/pip-build-tracker-im4gc44c
2026-01-08T23:10:16,944 Initialized build tracking at /tmp/pip-build-tracker-im4gc44c
2026-01-08T23:10:16,945 Created build tracker: /tmp/pip-build-tracker-im4gc44c
2026-01-08T23:10:16,945 Entered build tracker: /tmp/pip-build-tracker-im4gc44c
2026-01-08T23:10:16,946 Created temporary directory: /tmp/pip-wheel-jbjw78db
2026-01-08T23:10:16,949 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-08T23:10:16,951 Created temporary directory: /tmp/pip-ephem-wheel-cache-sx4e127z
2026-01-08T23:10:16,973 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-08T23:10:16,977 2 location(s) to search for versions of ihist:
2026-01-08T23:10:16,977 * https://pypi.org/simple/ihist/
2026-01-08T23:10:16,977 * https://www.piwheels.org/simple/ihist/
2026-01-08T23:10:16,978 Fetching project page and analyzing links: https://pypi.org/simple/ihist/
2026-01-08T23:10:16,978 Getting page https://pypi.org/simple/ihist/
2026-01-08T23:10:16,980 Found index url https://pypi.org/simple
2026-01-08T23:10:17,195 Fetched page https://pypi.org/simple/ihist/ as application/vnd.pypi.simple.v1+json
2026-01-08T23:10:17,201   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/f3/6b/7910c150827456e1480f36d3614f12d5e745b3e73d62b00f3383d83766b7/ihist-0.1.1-cp310-cp310-macosx_10_15_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,201   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/58/65/f733239a9cb26f31baa2976b857794736c8328a3297d22104d66369d4847/ihist-0.1.1-cp310-cp310-macosx_11_0_arm64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,202   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/9d/e7/724e5f468d017e21486efd39478bc1a8673f21e723317b6348d4ba4de393/ihist-0.1.1-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,202   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/ba/3f/3608536ebcb697dce06261a5a1eb284a4491ea760bf956440e636e55a702/ihist-0.1.1-cp310-cp310-win_amd64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,203   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/e5/d6/dfb7c40b89340f31fdc13a767c4cb85e05118b12447bc383fbcc84eb5601/ihist-0.1.1-cp311-cp311-macosx_10_15_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,203   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/c7/1a/6a6d48b0143a2a29ebd67bacba5258b47b77cb1aad96f77d38110018578e/ihist-0.1.1-cp311-cp311-macosx_11_0_arm64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,204   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/81/a6/9dc9984896c93c154558fa604c0a16cee0841e0eee64655000ad56b11597/ihist-0.1.1-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,205   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/79/bd/73ef235198d6850a5910347c21150d63cd0e86ec2dd4cb6ad7e107807310/ihist-0.1.1-cp311-cp311-win_amd64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,205   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/70/3c/c18823a6c11f7bb15603254defeaba7f33c425c7b834c37d87a6e1afa495/ihist-0.1.1-cp312-cp312-macosx_10_15_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,206   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/ba/13/5bd892526b07e5c96fb097849bd5fae6f31ad0cc5d5f531bcd4aa6fee817/ihist-0.1.1-cp312-cp312-macosx_11_0_arm64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,206   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/d4/ab/68281ad3ae68c36d9907be630e1e1f10c92887e38ff4b82581520ef19d71/ihist-0.1.1-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,207   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/21/7b/3ef50c3a669b2d1659e38fabf9b38027a6ceefae63964230a60cd7183956/ihist-0.1.1-cp312-cp312-win_amd64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,207   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/0d/00/ebf828be1afad9c39a4495d1442ef59cb628558c9d93d074873f734c7128/ihist-0.1.1-cp313-cp313-macosx_10_15_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,208   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/eb/15/4199783cdb740c506c1e5eb94d66765d2c2750da9e32632b14604b2432c6/ihist-0.1.1-cp313-cp313-macosx_11_0_arm64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,208   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/48/82/4ef57790bb5d41456b6a982a0e7c0bd4e1303626aaaadde3874ddaae7e16/ihist-0.1.1-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,209   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/09/a4/0358ced76f65210996e10b6070d2060cacad24b6bb59720bbad14e3da642/ihist-0.1.1-cp313-cp313-win_amd64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,209   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/bc/ed/c29f7043657c90b65848af03a72850799155204f129e33571588f8bd3787/ihist-0.1.1-cp314-cp314-macosx_10_15_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,210   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/70/e4/7f88a2bc5d298155c75b09059dcee20c1162ad9869666f8a3fba9f4c3a32/ihist-0.1.1-cp314-cp314-macosx_11_0_arm64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,210   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/2d/a7/52b73abf30e0d49f48a774082030bbfc15f5c3b3fda9ee8bf46faf36f43c/ihist-0.1.1-cp314-cp314-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,211   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/f1/ad/1e55d0f265fa4f20b239831edbf89147091eb16d7081826da67831ad5a6d/ihist-0.1.1-cp314-cp314-win_amd64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,211   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/36/13/450c2d756f22f51df3f629ba7c5ffd807691dbd46aaad0f4019455014928/ihist-0.1.1-cp314-cp314t-macosx_10_15_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,212   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/e3/4a/e8dec9639d7ee721d1f1667d7a8d7712bd1a2be1a81b29c3d613f2fd5bda/ihist-0.1.1-cp314-cp314t-macosx_11_0_arm64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,212   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/e4/83/ac9a2ca943ed641ec4ffb34540b55a4dfa6d14098cc188e9f84f31fcbaa5/ihist-0.1.1-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,213   Skipping link: No binaries permitted for ihist: https://files.pythonhosted.org/packages/e3/1e/cb7ea5c657fdb88c9243cb6f42273a24dac32c2a4dceb2aaa7ab5be253b9/ihist-0.1.1-cp314-cp314t-win_amd64.whl (from https://pypi.org/simple/ihist/) (requires-python:>=3.10)
2026-01-08T23:10:17,214   Found link https://files.pythonhosted.org/packages/82/64/1e038156f265115f0065c12b5284b6e6ee41d4e779fbf39dc491f0529502/ihist-0.1.1.tar.gz (from https://pypi.org/simple/ihist/) (requires-python:>=3.10), version: 0.1.1
2026-01-08T23:10:17,215 Fetching project page and analyzing links: https://www.piwheels.org/simple/ihist/
2026-01-08T23:10:17,215 Getting page https://www.piwheels.org/simple/ihist/
2026-01-08T23:10:17,216 Found index url https://www.piwheels.org/simple
2026-01-08T23:10:17,409 Fetched page https://www.piwheels.org/simple/ihist/ as text/html
2026-01-08T23:10:17,410 Skipping link: not a file: https://www.piwheels.org/simple/ihist/
2026-01-08T23:10:17,411 Skipping link: not a file: https://pypi.org/simple/ihist/
2026-01-08T23:10:17,431 Given no hashes to check 1 links for project 'ihist': discarding no candidates
2026-01-08T23:10:17,450 Collecting ihist==0.1.1
2026-01-08T23:10:17,453   Created temporary directory: /tmp/pip-unpack-119ckm02
2026-01-08T23:10:17,671   Downloading ihist-0.1.1.tar.gz (93 kB)
2026-01-08T23:10:17,883   Added ihist==0.1.1 from https://files.pythonhosted.org/packages/82/64/1e038156f265115f0065c12b5284b6e6ee41d4e779fbf39dc491f0529502/ihist-0.1.1.tar.gz to build tracker '/tmp/pip-build-tracker-im4gc44c'
2026-01-08T23:10:17,889   Created temporary directory: /tmp/pip-build-env-34a0yvj7
2026-01-08T23:10:17,894   Installing build dependencies: started
2026-01-08T23:10:17,895   Running command pip subprocess to install build dependencies
2026-01-08T23:10:19,070   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-01-08T23:10:19,728   DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-08T23:10:19,751   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-08T23:10:20,176   Collecting meson-python
2026-01-08T23:10:20,194     Using cached https://www.piwheels.org/simple/meson-python/meson_python-0.18.0-py3-none-any.whl (28 kB)
2026-01-08T23:10:21,180     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/3a/be/650f9c091ef71cb01d735775d554e068752d3ff63d7943b26316dc401749/numpy-1.21.2.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-08T23:10:21,188     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/5f/d6/ad58ded26556eaeaa8c971e08b6466f17c4ac4d786cd3d800e26ce59cc01/numpy-1.21.3.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-08T23:10:21,197     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/fb/48/b0708ebd7718a8933f0d3937513ef8ef2f4f04529f1f66ca86d873043921/numpy-1.21.4.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-08T23:10:21,205     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/c2/a8/a924a09492bdfee8c2ec3094d0a13f2799800b4fdc9c890738aeeb12c72e/numpy-1.21.5.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-08T23:10:21,213     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/45/b7/de7b8e67f2232c26af57c205aaad29fe17754f793404f59c8a730c7a191a/numpy-1.21.6.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-08T23:10:21,876   Collecting numpy
2026-01-08T23:10:22,336     Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.0-cp311-cp311-linux_armv7l.whl (6.2 MB)
2026-01-08T23:10:22,949   Collecting meson>=0.64.0
2026-01-08T23:10:23,052     Using cached https://www.piwheels.org/simple/meson/meson-1.10.0-py3-none-any.whl (1.1 MB)
2026-01-08T23:10:23,252   Collecting packaging>=23.2
2026-01-08T23:10:23,267     Using cached https://www.piwheels.org/simple/packaging/packaging-25.0-py3-none-any.whl (66 kB)
2026-01-08T23:10:23,417   Collecting pyproject-metadata>=0.9.0
2026-01-08T23:10:23,433     Using cached https://www.piwheels.org/simple/pyproject-metadata/pyproject_metadata-0.10.0-py3-none-any.whl (19 kB)
2026-01-08T23:10:26,188   Installing collected packages: packaging, numpy, meson, pyproject-metadata, meson-python
2026-01-08T23:10:35,293     Creating /tmp/pip-build-env-34a0yvj7/overlay/local/bin
2026-01-08T23:10:35,295     changing mode of /tmp/pip-build-env-34a0yvj7/overlay/local/bin/f2py to 755
2026-01-08T23:10:35,297     changing mode of /tmp/pip-build-env-34a0yvj7/overlay/local/bin/numpy-config to 755
2026-01-08T23:10:38,802     changing mode of /tmp/pip-build-env-34a0yvj7/overlay/local/bin/meson to 755
2026-01-08T23:10:39,007   Successfully installed meson-1.10.0 meson-python-0.18.0 numpy-2.4.0 packaging-25.0 pyproject-metadata-0.10.0
2026-01-08T23:10:39,333   Installing build dependencies: finished with status 'done'
2026-01-08T23:10:39,340   Getting requirements to build wheel: started
2026-01-08T23:10:39,341   Running command Getting requirements to build wheel
2026-01-08T23:10:39,826   Getting requirements to build wheel: finished with status 'done'
2026-01-08T23:10:39,838   Installing backend dependencies: started
2026-01-08T23:10:39,839   Running command pip subprocess to install backend dependencies
2026-01-08T23:10:40,994   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-01-08T23:10:41,663   DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-08T23:10:41,686   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-08T23:10:42,260   Collecting patchelf>=0.11.0
2026-01-08T23:10:42,278     Using cached patchelf-0.17.2.4-py3-none-manylinux2014_armv7l.manylinux_2_17_armv7l.musllinux_1_1_armv7l.whl (431 kB)
2026-01-08T23:10:44,877   Installing collected packages: patchelf
2026-01-08T23:10:44,931   Successfully installed patchelf-0.17.2.4
2026-01-08T23:10:45,157   Installing backend dependencies: finished with status 'done'
2026-01-08T23:10:45,159   Created temporary directory: /tmp/pip-modern-metadata-izqsj_pn
2026-01-08T23:10:45,161   Preparing metadata (pyproject.toml): started
2026-01-08T23:10:45,163   Running command Preparing metadata (pyproject.toml)
2026-01-08T23:10:46,723   + meson setup /tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7 /tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7/.mesonpy-5lrapvtt -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md -Dpython-bindings=enabled -Dbenchmarks=disabled -Dtests=disabled -Ddefault_library=static --native-file=/tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7/.mesonpy-5lrapvtt/meson-python-native-file.ini
2026-01-08T23:10:50,253   The Meson build system
2026-01-08T23:10:50,254   Version: 1.10.0
2026-01-08T23:10:50,255   Source dir: /tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7
2026-01-08T23:10:50,256   Build dir: /tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7/.mesonpy-5lrapvtt
2026-01-08T23:10:50,257   Build type: native build
2026-01-08T23:10:50,258   Project name: ihist
2026-01-08T23:10:50,259   Project version: 0.1.1
2026-01-08T23:10:50,259   C++ compiler for the host machine: c++ (gcc 12.2.0 "c++ (Raspbian 12.2.0-14+rpi1+deb12u1) 12.2.0")
2026-01-08T23:10:50,260   C++ linker for the host machine: c++ ld.bfd 2.40
2026-01-08T23:10:50,261   Host machine cpu family: arm
2026-01-08T23:10:50,261   Host machine cpu: armv7l
2026-01-08T23:10:50,262   Found pkg-config: YES (/usr/bin/pkg-config) 1.8.1
2026-01-08T23:10:50,263   Found CMake: /usr/bin/cmake (3.25.1)
2026-01-08T23:10:50,263   Run-time dependency tbb found: NO (tried pkgconfig and cmake)

2026-01-08T23:10:50,265   ../meson.build:34:13: ERROR: Dependency "tbb" not found, tried pkgconfig and cmake

2026-01-08T23:10:50,266   A full log can be found at /tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7/.mesonpy-5lrapvtt/meson-logs/meson-log.txt
2026-01-08T23:10:50,482   ERROR: [present-rich] Preparing metadata (pyproject.toml) exited with 1
2026-01-08T23:10:50,495   [bold magenta]full command[/]: [blue]/usr/bin/python3 /usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py prepare_metadata_for_build_wheel /tmp/tmpbbvz8qkc[/]
2026-01-08T23:10:50,495   [bold magenta]cwd[/]: /tmp/pip-wheel-jbjw78db/ihist_438b704964304471a333b29bb674c2c7
2026-01-08T23:10:50,496   Preparing metadata (pyproject.toml): finished with status 'error'
2026-01-08T23:10:50,498 ERROR: [present-rich] metadata generation failed
2026-01-08T23:10:50,503 Exception information:
2026-01-08T23:10:50,503 Traceback (most recent call last):
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata.py", line 35, in generate_metadata
2026-01-08T23:10:50,503     distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir)
2026-01-08T23:10:50,503                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/utils/misc.py", line 746, in prepare_metadata_for_build_wheel
2026-01-08T23:10:50,503     return super().prepare_metadata_for_build_wheel(
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_impl.py", line 186, in prepare_metadata_for_build_wheel
2026-01-08T23:10:50,503     return self._call_hook('prepare_metadata_for_build_wheel', {
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_impl.py", line 311, in _call_hook
2026-01-08T23:10:50,503     self._subprocess_runner(
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 252, in runner
2026-01-08T23:10:50,503     call_subprocess(
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2026-01-08T23:10:50,503     raise error
2026-01-08T23:10:50,503 pip._internal.exceptions.InstallationSubprocessError: Preparing metadata (pyproject.toml) exited with 1
2026-01-08T23:10:50,503 
2026-01-08T23:10:50,503 The above exception was the direct cause of the following exception:
2026-01-08T23:10:50,503 
2026-01-08T23:10:50,503 Traceback (most recent call last):
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper
2026-01-08T23:10:50,503     status = run_func(*args)
2026-01-08T23:10:50,503              ^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper
2026-01-08T23:10:50,503     return func(self, options, args)
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run
2026-01-08T23:10:50,503     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2026-01-08T23:10:50,503                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2026-01-08T23:10:50,503     result = self._result = resolver.resolve(
2026-01-08T23:10:50,503                             ^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2026-01-08T23:10:50,503     state = resolution.resolve(requirements, max_rounds=max_rounds)
2026-01-08T23:10:50,503             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2026-01-08T23:10:50,503     self._add_to_criteria(self.state.criteria, r, parent=None)
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria
2026-01-08T23:10:50,503     if not criterion.candidates:
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__
2026-01-08T23:10:50,503     return bool(self._sequence)
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2026-01-08T23:10:50,503     return any(self)
2026-01-08T23:10:50,503            ^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2026-01-08T23:10:50,503     return (c for c in iterator if id(c) not in self._incompatible_ids)
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2026-01-08T23:10:50,503     candidate = func()
2026-01-08T23:10:50,503                 ^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2026-01-08T23:10:50,503     self._link_candidate_cache[link] = LinkCandidate(
2026-01-08T23:10:50,503                                        ^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 297, in __init__
2026-01-08T23:10:50,503     super().__init__(
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 162, in __init__
2026-01-08T23:10:50,503     self.dist = self._prepare()
2026-01-08T23:10:50,503                 ^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 231, in _prepare
2026-01-08T23:10:50,503     dist = self._prepare_distribution()
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 308, in _prepare_distribution
2026-01-08T23:10:50,503     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 491, in prepare_linked_requirement
2026-01-08T23:10:50,503     return self._prepare_linked_requirement(req, parallel_builds)
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 577, in _prepare_linked_requirement
2026-01-08T23:10:50,503     dist = _get_prepared_distribution(
2026-01-08T23:10:50,503            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2026-01-08T23:10:50,503     abstract_dist.prepare_distribution_metadata(
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 61, in prepare_distribution_metadata
2026-01-08T23:10:50,503     self.req.prepare_metadata()
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 539, in prepare_metadata
2026-01-08T23:10:50,503     self.metadata_directory = generate_metadata(
2026-01-08T23:10:50,503                               ^^^^^^^^^^^^^^^^^^
2026-01-08T23:10:50,503   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata.py", line 37, in generate_metadata
2026-01-08T23:10:50,503     raise MetadataGenerationFailed(package_details=details) from error
2026-01-08T23:10:50,503 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2026-01-08T23:10:50,517 Removed ihist==0.1.1 from https://files.pythonhosted.org/packages/82/64/1e038156f265115f0065c12b5284b6e6ee41d4e779fbf39dc491f0529502/ihist-0.1.1.tar.gz from build tracker '/tmp/pip-build-tracker-im4gc44c'
2026-01-08T23:10:50,518 Removed build tracker: '/tmp/pip-build-tracker-im4gc44c'