2025-06-03T05:39:09,051 Created temporary directory: /tmp/pip-build-tracker-o28lsu_c 2025-06-03T05:39:09,052 Initialized build tracking at /tmp/pip-build-tracker-o28lsu_c 2025-06-03T05:39:09,052 Created build tracker: /tmp/pip-build-tracker-o28lsu_c 2025-06-03T05:39:09,053 Entered build tracker: /tmp/pip-build-tracker-o28lsu_c 2025-06-03T05:39:09,053 Created temporary directory: /tmp/pip-wheel-5v4bye02 2025-06-03T05:39:09,057 Created temporary directory: /tmp/pip-ephem-wheel-cache-njcuyjka 2025-06-03T05:39:09,107 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-06-03T05:39:09,109 2 location(s) to search for versions of kkf: 2025-06-03T05:39:09,109 * https://pypi.org/simple/kkf/ 2025-06-03T05:39:09,109 * https://www.piwheels.org/simple/kkf/ 2025-06-03T05:39:09,110 Fetching project page and analyzing links: https://pypi.org/simple/kkf/ 2025-06-03T05:39:09,111 Getting page https://pypi.org/simple/kkf/ 2025-06-03T05:39:09,112 Found index url https://pypi.org/simple/ 2025-06-03T05:39:09,334 Fetched page https://pypi.org/simple/kkf/ as application/vnd.pypi.simple.v1+json 2025-06-03T05:39:09,338 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/81/b1/df078c495b9049554d1624b9f26b4cf2d2b62d1f284a3900d0851074969e/kkf-0.11-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,339 Found link https://files.pythonhosted.org/packages/9e/80/30b1263a08f255ad22f268ee30394c2e571bbb89402a3b5769b10f751f67/kkf-0.11.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.11 2025-06-03T05:39:09,340 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/06/3a/3949b9cea8dd339b4fbdc0358f81382b37e14293b1490bfb265587aa02f9/kkf-0.12-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,340 Found link https://files.pythonhosted.org/packages/05/8c/3eb4761369e0f0ca54fbf8a5022eab37eaf24034ba695cc68a3fbcd2bcea/kkf-0.12.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.12 2025-06-03T05:39:09,341 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/66/2b/c9a25403ad3fe18e1b86cdbaed44c926ebd6d463045ce4455e63ac438518/kkf-0.13-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,342 Found link https://files.pythonhosted.org/packages/a3/12/3ae7e59f7246fa2f1cf29a756ee6a18c9c3a08134a6650cdf9baa01b8ae3/kkf-0.13.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.13 2025-06-03T05:39:09,342 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/1e/19/062eb77e0a89730e7ea88c14affb139ee84ca335076e4be25eb4d5b21e2c/kkf-0.14-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,343 Found link https://files.pythonhosted.org/packages/93/c6/7c483eefdd82dd47e4bac9d7ce332613c5f7f2100447b438a8a5db40dcf0/kkf-0.14.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.14 2025-06-03T05:39:09,344 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/5a/81/622679ed0c979e584f74a5767f71548622f8ea530d77688a7ba3d9e4e6eb/kkf-0.15-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,345 Found link https://files.pythonhosted.org/packages/9f/96/393e4628b2460be9c91e23226714dafe6034843e1ff5c9ef9b6a740b3534/kkf-0.15.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.15 2025-06-03T05:39:09,345 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/a7/d8/bd3f54508e9be22f2a966f34bc620d173b4aab0384bcf06ea8f34240cc37/kkf-0.16-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,346 Found link https://files.pythonhosted.org/packages/b5/8d/5a20e22dee9f8177f679b5229d379bce15419c34c2f412f39c3e6535b127/kkf-0.16.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.16 2025-06-03T05:39:09,346 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/99/8d/d6fbba71682fd00d953f2d835c7dd05bd837fbfb142303128ee48f81c0c8/kkf-0.17-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,347 Found link https://files.pythonhosted.org/packages/44/0d/31c5423f7797f567e8c8d9106f9d2d87b0f52ce43c0aa1d6e479550a67d4/kkf-0.17.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.17 2025-06-03T05:39:09,348 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/5c/38/e60f5f1ec9e3b11a00be7fa0c9c74552fcc8ff8ac91cd7b150205621ace0/kkf-0.18-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,348 Found link https://files.pythonhosted.org/packages/90/38/9cb30a7fd830bd67fe9677bae432bd7b0489ab3a4cd246fa06e246e36d6d/kkf-0.18.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.18 2025-06-03T05:39:09,349 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/0f/3f/dbad176e494279ce6339a31b5b51c8f97081cfc2d822187bb4820e0d615f/kkf-0.19-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,349 Found link https://files.pythonhosted.org/packages/c5/3a/1857f0219534b9c90e72a45931c9098e8dac7299004ce4a2c19ba11755a3/kkf-0.19.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.19 2025-06-03T05:39:09,350 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/0a/43/c553097a0f2a40af511fafe97680f827889295854bfc5b0633612faf5318/kkf-0.20-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,350 Found link https://files.pythonhosted.org/packages/57/4f/d7353ea6ee53182bc7335317e9f43efb918ae701d6545f8f1ac4f860bb10/kkf-0.20.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.20 2025-06-03T05:39:09,351 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/a6/a9/74902cf7e01c465f80190cd2871f1595aa776df14e73edbf18cbefc667dd/kkf-0.21-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,352 Found link https://files.pythonhosted.org/packages/93/ec/0d3ad236191c742b7cc7ab3536a9d23395c698c7feac19b5c4c30cdf88c1/kkf-0.21.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.21 2025-06-03T05:39:09,352 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/d1/a1/36e4ff404d05a4ec5a21ce45526ea2f0cc02231c35dc1b1db843d80c7859/kkf-0.22-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,353 Found link https://files.pythonhosted.org/packages/b9/ee/1ae7d940bed9ad61c6310546b39522e977b441ab4357abafe2727085c4f5/kkf-0.22.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.22 2025-06-03T05:39:09,354 Skipping link: No binaries permitted for kkf: https://files.pythonhosted.org/packages/0f/62/477e5a0525ec47bba12586c5ccfd6a7ae91d6a5c001509d5d557547cb226/kkf-0.23-py3-none-any.whl (from https://pypi.org/simple/kkf/) (requires-python:>=3.6) 2025-06-03T05:39:09,354 Found link https://files.pythonhosted.org/packages/26/7b/6d715c0547f958f97e0fecc4b4d642d51b40e67a8f6d56319b835bb949ac/kkf-0.23.tar.gz (from https://pypi.org/simple/kkf/) (requires-python:>=3.6), version: 0.23 2025-06-03T05:39:09,355 Fetching project page and analyzing links: https://www.piwheels.org/simple/kkf/ 2025-06-03T05:39:09,356 Getting page https://www.piwheels.org/simple/kkf/ 2025-06-03T05:39:09,357 Found index url https://www.piwheels.org/simple/ 2025-06-03T05:39:09,511 WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:992)'))': /simple/kkf/ 2025-06-03T05:39:10,159 WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:992)'))': /simple/kkf/ 2025-06-03T05:39:11,318 WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:992)'))': /simple/kkf/ 2025-06-03T05:39:13,544 WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:992)'))': /simple/kkf/ 2025-06-03T05:39:17,757 WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:992)'))': /simple/kkf/ 2025-06-03T05:39:17,978 Could not fetch URL https://www.piwheels.org/simple/kkf/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='www.piwheels.org', port=443): Max retries exceeded with url: /simple/kkf/ (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:992)'))) - skipping 2025-06-03T05:39:17,979 Skipping link: not a file: https://www.piwheels.org/simple/kkf/ 2025-06-03T05:39:17,980 Skipping link: not a file: https://pypi.org/simple/kkf/ 2025-06-03T05:39:17,998 Given no hashes to check 1 links for project 'kkf': discarding no candidates 2025-06-03T05:39:18,000 Collecting kkf==0.22 2025-06-03T05:39:18,003 Created temporary directory: /tmp/pip-unpack-okwxpooj 2025-06-03T05:39:18,250 Downloading kkf-0.22.tar.gz (12 kB) 2025-06-03T05:39:18,298 Added kkf==0.22 from https://files.pythonhosted.org/packages/b9/ee/1ae7d940bed9ad61c6310546b39522e977b441ab4357abafe2727085c4f5/kkf-0.22.tar.gz to build tracker '/tmp/pip-build-tracker-o28lsu_c' 2025-06-03T05:39:18,300 Running setup.py (path:/tmp/pip-wheel-5v4bye02/kkf_09b6941003c741e395b0a1cd635b0ba8/setup.py) egg_info for package kkf 2025-06-03T05:39:18,301 Created temporary directory: /tmp/pip-pip-egg-info-3t0nzb0t 2025-06-03T05:39:18,301 Preparing metadata (setup.py): started 2025-06-03T05:39:18,302 Running command python setup.py egg_info 2025-06-03T05:39:19,267 /usr/local/lib/python3.11/dist-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2025-06-03T05:39:19,267 !! 2025-06-03T05:39:19,268 ******************************************************************************** 2025-06-03T05:39:19,268 Please consider removing the following classifiers in favor of a SPDX license expression: 2025-06-03T05:39:19,270 License :: OSI Approved :: MIT License 2025-06-03T05:39:19,271 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2025-06-03T05:39:19,271 ******************************************************************************** 2025-06-03T05:39:19,272 !! 2025-06-03T05:39:19,273 self._finalize_license_expression() 2025-06-03T05:39:19,297 running egg_info 2025-06-03T05:39:19,324 creating /tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info 2025-06-03T05:39:19,325 writing /tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/PKG-INFO 2025-06-03T05:39:19,328 writing dependency_links to /tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/dependency_links.txt 2025-06-03T05:39:19,330 writing requirements to /tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/requires.txt 2025-06-03T05:39:19,331 writing top-level names to /tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/top_level.txt 2025-06-03T05:39:19,332 writing manifest file '/tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/SOURCES.txt' 2025-06-03T05:39:19,417 reading manifest file '/tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/SOURCES.txt' 2025-06-03T05:39:19,418 adding license file 'LICENSE' 2025-06-03T05:39:19,421 writing manifest file '/tmp/pip-pip-egg-info-3t0nzb0t/kkf.egg-info/SOURCES.txt' 2025-06-03T05:39:19,525 Preparing metadata (setup.py): finished with status 'done' 2025-06-03T05:39:19,529 Source in /tmp/pip-wheel-5v4bye02/kkf_09b6941003c741e395b0a1cd635b0ba8 has version 0.22, which satisfies requirement kkf==0.22 from https://files.pythonhosted.org/packages/b9/ee/1ae7d940bed9ad61c6310546b39522e977b441ab4357abafe2727085c4f5/kkf-0.22.tar.gz 2025-06-03T05:39:19,530 Removed kkf==0.22 from https://files.pythonhosted.org/packages/b9/ee/1ae7d940bed9ad61c6310546b39522e977b441ab4357abafe2727085c4f5/kkf-0.22.tar.gz from build tracker '/tmp/pip-build-tracker-o28lsu_c' 2025-06-03T05:39:19,537 Created temporary directory: /tmp/pip-unpack-ukvbmoob 2025-06-03T05:39:19,537 Created temporary directory: /tmp/pip-unpack-e0hnne3u 2025-06-03T05:39:19,538 Building wheels for collected packages: kkf 2025-06-03T05:39:19,542 Created temporary directory: /tmp/pip-wheel-6_pdxmhp 2025-06-03T05:39:19,543 DEPRECATION: Building 'kkf' using the legacy setup.py bdist_wheel mechanism, which will be removed in a future version. pip 25.3 will enforce this behaviour change. A possible replacement is to use the standardized build interface by setting the `--use-pep517` option, (possibly combined with `--no-build-isolation`), or adding a `pyproject.toml` file to the source tree of 'kkf'. Discussion can be found at https://github.com/pypa/pip/issues/6334 2025-06-03T05:39:19,544 Building wheel for kkf (setup.py): started 2025-06-03T05:39:19,545 Destination directory: /tmp/pip-wheel-6_pdxmhp 2025-06-03T05:39:19,545 Running command python setup.py bdist_wheel 2025-06-03T05:39:20,355 /usr/local/lib/python3.11/dist-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2025-06-03T05:39:20,355 !! 2025-06-03T05:39:20,356 ******************************************************************************** 2025-06-03T05:39:20,357 Please consider removing the following classifiers in favor of a SPDX license expression: 2025-06-03T05:39:20,358 License :: OSI Approved :: MIT License 2025-06-03T05:39:20,359 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2025-06-03T05:39:20,360 ******************************************************************************** 2025-06-03T05:39:20,361 !! 2025-06-03T05:39:20,361 self._finalize_license_expression() 2025-06-03T05:39:20,362 running bdist_wheel 2025-06-03T05:39:20,489 running build 2025-06-03T05:39:20,489 running build_py 2025-06-03T05:39:20,519 creating build/lib/kkf 2025-06-03T05:39:20,521 copying kkf/covariances.py -> build/lib/kkf 2025-06-03T05:39:20,524 copying kkf/kEDMD.py -> build/lib/kkf 2025-06-03T05:39:20,526 copying kkf/applyKKF.py -> build/lib/kkf 2025-06-03T05:39:20,529 copying kkf/DynamicalSystems.py -> build/lib/kkf 2025-06-03T05:39:20,531 copying kkf/KKFsol.py -> build/lib/kkf 2025-06-03T05:39:20,534 copying kkf/utils.py -> build/lib/kkf 2025-06-03T05:39:20,535 copying kkf/__init__.py -> build/lib/kkf 2025-06-03T05:39:20,565 /usr/local/lib/python3.11/dist-packages/setuptools/_distutils/cmd.py:90: SetuptoolsDeprecationWarning: setup.py install is deprecated. 2025-06-03T05:39:20,566 !! 2025-06-03T05:39:20,567 ******************************************************************************** 2025-06-03T05:39:20,568 Please avoid running ``setup.py`` directly. 2025-06-03T05:39:20,568 Instead, use pypa/build, pypa/installer or other 2025-06-03T05:39:20,569 standards-based tools. 2025-06-03T05:39:20,570 By 2025-Oct-31, you need to update your project and remove deprecated calls 2025-06-03T05:39:20,571 or your builds will no longer be supported. 2025-06-03T05:39:20,572 See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details. 2025-06-03T05:39:20,573 ******************************************************************************** 2025-06-03T05:39:20,574 !! 2025-06-03T05:39:20,575 self.initialize_options() 2025-06-03T05:39:20,593 installing to build/bdist.linux-armv7l/wheel 2025-06-03T05:39:20,593 running install 2025-06-03T05:39:20,617 running install_lib 2025-06-03T05:39:20,644 creating build/bdist.linux-armv7l/wheel 2025-06-03T05:39:20,646 creating build/bdist.linux-armv7l/wheel/kkf 2025-06-03T05:39:20,647 copying build/lib/kkf/covariances.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,650 copying build/lib/kkf/kEDMD.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,652 copying build/lib/kkf/applyKKF.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,654 copying build/lib/kkf/DynamicalSystems.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,657 copying build/lib/kkf/KKFsol.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,659 copying build/lib/kkf/utils.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,661 copying build/lib/kkf/__init__.py -> build/bdist.linux-armv7l/wheel/./kkf 2025-06-03T05:39:20,662 running install_egg_info 2025-06-03T05:39:20,697 running egg_info 2025-06-03T05:39:20,723 writing kkf.egg-info/PKG-INFO 2025-06-03T05:39:20,727 writing dependency_links to kkf.egg-info/dependency_links.txt 2025-06-03T05:39:20,728 writing requirements to kkf.egg-info/requires.txt 2025-06-03T05:39:20,730 writing top-level names to kkf.egg-info/top_level.txt 2025-06-03T05:39:20,759 reading manifest file 'kkf.egg-info/SOURCES.txt' 2025-06-03T05:39:20,762 adding license file 'LICENSE' 2025-06-03T05:39:20,765 writing manifest file 'kkf.egg-info/SOURCES.txt' 2025-06-03T05:39:20,766 Copying kkf.egg-info to build/bdist.linux-armv7l/wheel/./kkf-0.22-py3.11.egg-info 2025-06-03T05:39:20,776 running install_scripts 2025-06-03T05:39:20,787 creating build/bdist.linux-armv7l/wheel/kkf-0.22.dist-info/WHEEL 2025-06-03T05:39:20,790 creating '/tmp/pip-wheel-6_pdxmhp/kkf-0.22-py3-none-any.whl' and adding 'build/bdist.linux-armv7l/wheel' to it 2025-06-03T05:39:20,792 adding 'kkf/DynamicalSystems.py' 2025-06-03T05:39:20,794 adding 'kkf/KKFsol.py' 2025-06-03T05:39:20,795 adding 'kkf/__init__.py' 2025-06-03T05:39:20,797 adding 'kkf/applyKKF.py' 2025-06-03T05:39:20,798 adding 'kkf/covariances.py' 2025-06-03T05:39:20,800 adding 'kkf/kEDMD.py' 2025-06-03T05:39:20,801 adding 'kkf/utils.py' 2025-06-03T05:39:20,803 adding 'kkf-0.22.dist-info/licenses/LICENSE' 2025-06-03T05:39:20,805 adding 'kkf-0.22.dist-info/METADATA' 2025-06-03T05:39:20,806 adding 'kkf-0.22.dist-info/WHEEL' 2025-06-03T05:39:20,807 adding 'kkf-0.22.dist-info/top_level.txt' 2025-06-03T05:39:20,808 adding 'kkf-0.22.dist-info/RECORD' 2025-06-03T05:39:20,809 removing build/bdist.linux-armv7l/wheel 2025-06-03T05:39:20,919 Building wheel for kkf (setup.py): finished with status 'done' 2025-06-03T05:39:20,922 Created wheel for kkf: filename=kkf-0.22-py3-none-any.whl size=12822 sha256=beabc5f66bc1f780797346cf306b5d558f4b1e1dd862d73112c5ac6617a53d7e 2025-06-03T05:39:20,923 Stored in directory: /tmp/pip-ephem-wheel-cache-njcuyjka/wheels/3f/a8/c6/119417843d45748e83c4364fb2e7135b5da9048d26148f70b8 2025-06-03T05:39:20,934 Successfully built kkf 2025-06-03T05:39:20,937 Removed build tracker: '/tmp/pip-build-tracker-o28lsu_c'