2026-08-15T19:43:17,481 Created temporary directory: /tmp/pip-ephem-wheel-cache-f9utdtz8 2026-08-15T19:43:17,483 Created temporary directory: /tmp/pip-build-tracker-pfgrw6lp 2026-08-15T19:43:17,483 Initialized build tracking at /tmp/pip-build-tracker-pfgrw6lp 2026-08-15T19:43:17,484 Created build tracker: /tmp/pip-build-tracker-pfgrw6lp 2026-08-15T19:43:17,484 Entered build tracker: /tmp/pip-build-tracker-pfgrw6lp 2026-08-15T19:43:17,485 Created temporary directory: /tmp/pip-wheel-s22ekc1g 2026-08-15T19:43:17,488 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 2026-08-15T19:43:17,490 Created temporary directory: /tmp/pip-ephem-wheel-cache-kkb_8gfy 2026-08-15T19:43:17,512 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-08-15T19:43:17,516 2 location(s) to search for versions of molmass: 2026-08-15T19:43:17,516 * https://pypi.org/simple/molmass/ 2026-08-15T19:43:17,516 * https://www.piwheels.org/simple/molmass/ 2026-08-15T19:43:17,517 Fetching project page and analyzing links: https://pypi.org/simple/molmass/ 2026-08-15T19:43:17,518 Getting page https://pypi.org/simple/molmass/ 2026-08-15T19:43:17,519 Found index url https://pypi.org/simple 2026-08-15T19:43:17,756 Fetched page https://pypi.org/simple/molmass/ as application/vnd.pypi.simple.v1+json 2026-08-15T19:43:17,764 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/16/22/d19375b980699d3b0e4d76e828f7d395294077a537be12156c24c2d5625a/molmass-2018.8.15-py2.py3-none-any.whl (from https://pypi.org/simple/molmass/) 2026-08-15T19:43:17,765 Found link https://files.pythonhosted.org/packages/7d/f5/5568064bbcb04381bb2b4e9dbb37227d47f668adbf1362c42ada1a09745e/molmass-2018.8.15.tar.gz (from https://pypi.org/simple/molmass/), version: 2018.8.15 2026-08-15T19:43:17,766 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/cd/b8/ccbb477ff8b247c1c2a47811154668d296c7550dd1eddd222735d0119c71/molmass-2018.10.18-py2.py3-none-any.whl (from https://pypi.org/simple/molmass/) 2026-08-15T19:43:17,766 Found link https://files.pythonhosted.org/packages/c0/9b/f8a3668f7914c7d247ab39c038615054458415772bf51b41aa13a8b883d9/molmass-2018.10.18.tar.gz (from https://pypi.org/simple/molmass/), version: 2018.10.18 2026-08-15T19:43:17,767 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/21/e5/a4eac639c4a90ce491bc1d9e8a24779aa16741677a710a5c15dda39e8945/molmass-2019.1.1-py2.py3-none-any.whl (from https://pypi.org/simple/molmass/) 2026-08-15T19:43:17,768 Found link https://files.pythonhosted.org/packages/2d/e6/01b576b79cef7adfeaca6d77c6991b4e6933c3d0985b9db55bf5ac223392/molmass-2019.1.1.tar.gz (from https://pypi.org/simple/molmass/), version: 2019.1.1 2026-08-15T19:43:17,769 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/12/2b/dd600a36b78bc9ebf9e8ff7c900150c7439af0c55504a4ab8213485cda94/molmass-2020.1.1-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.6) 2026-08-15T19:43:17,769 Found link https://files.pythonhosted.org/packages/69/88/ae0aa6b5ce0c293767f3d09bc1f52c31720ce1e2dabbebd0b571801a8fcb/molmass-2020.1.1.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.6), version: 2020.1.1 2026-08-15T19:43:17,770 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/4a/bc/5faafbf34aba10f7dff23415f8d0ad3507aeb567a3a75906b2ae60a07d02/molmass-2020.6.10-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.6) 2026-08-15T19:43:17,771 Found link https://files.pythonhosted.org/packages/9c/e1/6c7474212020eb2c71be6721bfc960cbf2dcbe1308188fa9169b5b2a07b0/molmass-2020.6.10.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.6), version: 2020.6.10 2026-08-15T19:43:17,772 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/9a/30/e4aed8b9d77968868f002789b1dc5cb4c064f20ca2c381b5e4b73d468bb6/molmass-2021.6.18-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.7) 2026-08-15T19:43:17,773 Found link https://files.pythonhosted.org/packages/d5/0a/5f880d0d5e91b5461fc9d8a95f132795d110a38b778787eb5c0f9ffefdac/molmass-2021.6.18.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.7), version: 2021.6.18 2026-08-15T19:43:17,774 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/88/f7/074bf38c3e8eddf02493bae02f9f8c154306c1d3d1f77daa51b6669c3c2a/molmass-2022.10.18-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.8) 2026-08-15T19:43:17,774 Found link https://files.pythonhosted.org/packages/9a/5a/df028d015c974aab38e03dabc1a0fa6d58da9234a6b59e8a92c7598faa64/molmass-2022.10.18.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.8), version: 2022.10.18 2026-08-15T19:43:17,775 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/f0/8e/85a1c487faebe6634c06e63cf0d47defb2a5dc3244a015248def98b90c9c/molmass-2022.12.9-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.8) 2026-08-15T19:43:17,776 Found link https://files.pythonhosted.org/packages/b8/29/47bb5e6285420697342541056f87c87b6b9a5e7f0b028e85b447799cbd24/molmass-2022.12.9.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.8), version: 2022.12.9 2026-08-15T19:43:17,776 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/2a/a0/ae07278598490bb3e9770449f5a97e7d610e9b0f85653561d6a8219e3b64/molmass-2023.4.10-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.8) 2026-08-15T19:43:17,777 Found link https://files.pythonhosted.org/packages/c2/61/ccba007a3fa54c47208db64f9fcb4318ebbb840081fd60fa291a9beb90db/molmass-2023.4.10.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.8), version: 2023.4.10 2026-08-15T19:43:17,778 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/9c/55/f78f5d3e6ca144267ea32481640335d765e788162d705de5b49af37e7a2c/molmass-2023.8.30-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,779 Found link https://files.pythonhosted.org/packages/c8/b2/b00fd4a3d97e37f957281e5452b6628a1f6609b419d63c9446a2bae3766c/molmass-2023.8.30.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.9), version: 2023.8.30 2026-08-15T19:43:17,780 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/97/2c/ffe77d239ee75a833e071febe9d9587f75ea0c06090548e4bec3f2976e86/molmass-2024.5.10-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,781 Found link https://files.pythonhosted.org/packages/0d/39/0250f40b691dc69f52df2e24d4091c9c451a0bdfc88be30c4a0775ecb23b/molmass-2024.5.10.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.9), version: 2024.5.10 2026-08-15T19:43:17,781 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/ac/60/50392174a6db67a49ac7ee40f835297846c4d9d139664507010e68c9f354/molmass-2024.5.24-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,782 Found link https://files.pythonhosted.org/packages/0a/1a/31d0b556c578551beb3a41ef972cfbaec938ca8f9f0442a119782edb8807/molmass-2024.5.24.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.9), version: 2024.5.24 2026-08-15T19:43:17,783 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/17/ee/7b73df246d75e59b7d12b0bedc0f2c2ba3d03ba7eae95fe1106108da23b8/molmass-2024.10.25-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,784 Found link https://files.pythonhosted.org/packages/90/85/972f5886d237c8585160faab9d9f85cb52edf1ae68d99afbc7deedace1ce/molmass-2024.10.25.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.9), version: 2024.10.25 2026-08-15T19:43:17,785 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/8a/5f/c6c6fea1f0958ae5c319a4b308e52612570da3fb5a5bc524312394c66de8/molmass-2025.4.14-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.10) 2026-08-15T19:43:17,786 Found link https://files.pythonhosted.org/packages/96/0f/d4f68780aaa42707fdf2bef4be789da8d0d0de661efc12692ac5a0a0f55b/molmass-2025.4.14.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.10), version: 2025.4.14 2026-08-15T19:43:17,786 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/67/5a/f3498d2b1aed17296f2e86fe40f831bea7f7debf51b4bfd2823d2a67742f/molmass-2025.9.4-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,787 Found link https://files.pythonhosted.org/packages/00/34/d3b9deecb670f6a16e35cc3ff1d975291afe4165975654e3723dec8a9509/molmass-2025.9.4.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.11), version: 2025.9.4 2026-08-15T19:43:17,788 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/d0/e9/68ebe2173764c256b97a490924cef8603328ea8ae5643e5dca7b93fd210f/molmass-2025.11.11-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,788 Found link https://files.pythonhosted.org/packages/fc/74/c5de2b3741897ddbdc89a3e3ecd4a5b1bf3b254adb86a889e6c9b83ba4ef/molmass-2025.11.11.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.11), version: 2025.11.11 2026-08-15T19:43:17,789 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/ac/94/01c02febe0040e376d9cb0a361735bf65cad4b915b2141f57114da3cf090/molmass-2025.12.12-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,790 Found link https://files.pythonhosted.org/packages/39/de/08dcc31a96845b9b2c7e474f3e588de1b6df0969e34ca6dca4dc1d782626/molmass-2025.12.12.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.11), version: 2025.12.12 2026-08-15T19:43:17,791 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/03/12/b6f548ac321f0239c3523b32bd629ccf8025ff59fbf8dbada22b0de96ce2/molmass-2026.1.8-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,792 Found link https://files.pythonhosted.org/packages/50/b6/a9adb3a4f142d52295aed0194161ffa0b1ee5d5bc986be608c328245e075/molmass-2026.1.8.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.11), version: 2026.1.8 2026-08-15T19:43:17,793 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/18/71/9a820b92332e8d40e9aa69c87e2c8d8abc2977092f54307781355ae6a7c9/molmass-2026.6.9-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,794 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/44/02/bcd404074781d020a3b2301df7b35afc47b7731dbc9aa0fc796d54e2750a/molmass-2026.6.9.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,794 Skipping link: 2026.6.9 Requires-Python >=3.12: https://files.pythonhosted.org/packages/44/02/bcd404074781d020a3b2301df7b35afc47b7731dbc9aa0fc796d54e2750a/molmass-2026.6.9.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,795 Skipping link: No binaries permitted for molmass: https://files.pythonhosted.org/packages/38/8d/83d097524c4011f39bf898f66a161c2c86e2d29937528a0de6f547c82267/molmass-2026.8.15-py3-none-any.whl (from https://pypi.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,796 Link requires a different Python (3.11.2 not in: '>=3.12'): https://files.pythonhosted.org/packages/62/1f/39de7a8bb3fc765533b88ef2586ca85774f55160b9f659167dfa3d27d073/molmass-2026.8.15.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,797 Skipping link: 2026.8.15 Requires-Python >=3.12: https://files.pythonhosted.org/packages/62/1f/39de7a8bb3fc765533b88ef2586ca85774f55160b9f659167dfa3d27d073/molmass-2026.8.15.tar.gz (from https://pypi.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,797 Fetching project page and analyzing links: https://www.piwheels.org/simple/molmass/ 2026-08-15T19:43:17,798 Getting page https://www.piwheels.org/simple/molmass/ 2026-08-15T19:43:17,799 Found index url https://www.piwheels.org/simple 2026-08-15T19:43:17,986 Fetched page https://www.piwheels.org/simple/molmass/ as text/html 2026-08-15T19:43:17,992 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2026.6.9-py3-none-any.whl#sha256=8037a05405ca772d5bc3cb6e6346eb9e64bef05034f641ba9ca2377b5aff83e8 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.12) 2026-08-15T19:43:17,993 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2026.1.8-py3-none-any.whl#sha256=84037915c19b833a855fe354aa75b77504fff90f54c762ba72bd9cf83cd57eaa (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,993 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2025.12.12-py3-none-any.whl#sha256=71db51ebebc2f0ad428bd56c40e236c42be851ba8a1c25e466482e86fb5d69b7 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,994 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2025.11.11-py3-none-any.whl#sha256=8c0ee6009bee2722c2de2d5d590fba7f9c0ff78a178c0ef1d4026f945b75debf (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,994 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2025.9.4-py3-none-any.whl#sha256=a20f878ffc8041ec9b870a7767af6a3ef328266946bf62c2a91625f375b25c15 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.11) 2026-08-15T19:43:17,995 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2024.10.25-py3-none-any.whl#sha256=9c3d761541dd5db55f5fa8062532599657473de29bd484271e4578436461ae5e (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,996 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2024.5.24-py3-none-any.whl#sha256=d82e981c43da4e4e1205b51f7e50869c7ac363dfad456a2976b6190995ece748 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,996 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2024.5.10-py3-none-any.whl#sha256=a3044bc86bb199830cddcbb123850b1546ca2ecef08ce56d70d4615c13201ab8 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,997 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2023.8.30-py3-none-any.whl#sha256=10cd89827689a2b568c105bf6670e7bbd7edc876c0bbdb16b2bf0e8817e2cdb9 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.9) 2026-08-15T19:43:17,997 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2023.4.10-py3-none-any.whl#sha256=0e12b88dc9265dfd276f6d92579dd1c04b35fc9268d2b290a672a041ff0ff883 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.8) 2026-08-15T19:43:17,998 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2022.12.9-py3-none-any.whl#sha256=80cc65155076f886d0bc77fc7a704ec3cf20ef5b2f618bae48168af6d9d50c4d (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.8) 2026-08-15T19:43:17,999 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2022.10.18-py3-none-any.whl#sha256=3537c7a1c4484418e4f80dedd5b031a24e002918d4044924f58ee52d5c8c9bd9 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.8) 2026-08-15T19:43:17,999 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2021.6.18-py3-none-any.whl#sha256=c47fa349c8cf3d63ecc8f0e726141ba8caede43e12c07b34ef9241f586904c1d (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.7) 2026-08-15T19:43:18,000 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2020.6.10-py3-none-any.whl#sha256=c142aa43a7f768586f75e284b2d32048d98bd3027959c02d9033ca092038e5e9 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.6) 2026-08-15T19:43:18,000 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2020.1.1-py3-none-any.whl#sha256=85533243d5b03113a6046440fe8c22fda7e5b5cb2ad3302d99fef0e4920b00f3 (from https://www.piwheels.org/simple/molmass/) (requires-python:>=3.6) 2026-08-15T19:43:18,001 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2019.1.1-py2.py3-none-any.whl#sha256=c264122565f1c2aef3fdc776c911d77ddcbe335aff33008efe438b7f8d7c2519 (from https://www.piwheels.org/simple/molmass/) 2026-08-15T19:43:18,001 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2018.10.18-py2.py3-none-any.whl#sha256=fa299f5952546b462c1a104314ab4e23c4255259388c4154081e732c5e3fa2f8 (from https://www.piwheels.org/simple/molmass/) 2026-08-15T19:43:18,002 Skipping link: No binaries permitted for molmass: https://archive1.piwheels.org/simple/molmass/molmass-2018.8.15-py2.py3-none-any.whl#sha256=d7b63ff2921b21f282c284fcec8321f3c92ce0168997723284c7078aae473e73 (from https://www.piwheels.org/simple/molmass/) 2026-08-15T19:43:18,002 Skipping link: not a file: https://www.piwheels.org/simple/molmass/ 2026-08-15T19:43:18,003 Skipping link: not a file: https://pypi.org/simple/molmass/ 2026-08-15T19:43:18,024 Given no hashes to check 0 links for project 'molmass': discarding no candidates 2026-08-15T19:43:18,025 ERROR: Ignored the following versions that require a different python version: 2026.6.9 Requires-Python >=3.12; 2026.8.15 Requires-Python >=3.12 2026-08-15T19:43:18,027 ERROR: Could not find a version that satisfies the requirement molmass==2026.8.15 (from versions: 2018.8.15, 2018.10.18, 2019.1.1, 2020.1.1, 2020.6.10, 2021.6.18, 2022.10.18, 2022.12.9, 2023.4.10, 2023.8.30, 2024.5.10, 2024.5.24, 2024.10.25, 2025.4.14, 2025.9.4, 2025.11.11, 2025.12.12, 2026.1.8) 2026-08-15T19:43:18,028 ERROR: No matching distribution found for molmass==2026.8.15 2026-08-15T19:43:18,030 Exception information: 2026-08-15T19:43:18,030 Traceback (most recent call last): 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2026-08-15T19:43:18,030 self._add_to_criteria(self.state.criteria, r, parent=None) 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria 2026-08-15T19:43:18,030 raise RequirementsConflicted(criterion) 2026-08-15T19:43:18,030 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('molmass==2026.8.15') 2026-08-15T19:43:18,030 2026-08-15T19:43:18,030 During handling of the above exception, another exception occurred: 2026-08-15T19:43:18,030 2026-08-15T19:43:18,030 Traceback (most recent call last): 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve 2026-08-15T19:43:18,030 result = self._result = resolver.resolve( 2026-08-15T19:43:18,030 ^^^^^^^^^^^^^^^^^ 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2026-08-15T19:43:18,030 state = resolution.resolve(requirements, max_rounds=max_rounds) 2026-08-15T19:43:18,030 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 350, in resolve 2026-08-15T19:43:18,030 raise ResolutionImpossible(e.criterion.information) 2026-08-15T19:43:18,030 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('molmass==2026.8.15'), parent=None)] 2026-08-15T19:43:18,030 2026-08-15T19:43:18,030 The above exception was the direct cause of the following exception: 2026-08-15T19:43:18,030 2026-08-15T19:43:18,030 Traceback (most recent call last): 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper 2026-08-15T19:43:18,030 status = run_func(*args) 2026-08-15T19:43:18,030 ^^^^^^^^^^^^^^^ 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper 2026-08-15T19:43:18,030 return func(self, options, args) 2026-08-15T19:43:18,030 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run 2026-08-15T19:43:18,030 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2026-08-15T19:43:18,030 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-08-15T19:43:18,030 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 101, in resolve 2026-08-15T19:43:18,030 raise error from e 2026-08-15T19:43:18,030 pip._internal.exceptions.DistributionNotFound: No matching distribution found for molmass==2026.8.15 2026-08-15T19:43:18,035 Removed build tracker: '/tmp/pip-build-tracker-pfgrw6lp'