2025-09-15T21:32:54,980 Created temporary directory: /tmp/pip-build-tracker-asgm6hwg 2025-09-15T21:32:54,981 Initialized build tracking at /tmp/pip-build-tracker-asgm6hwg 2025-09-15T21:32:54,981 Created build tracker: /tmp/pip-build-tracker-asgm6hwg 2025-09-15T21:32:54,981 Entered build tracker: /tmp/pip-build-tracker-asgm6hwg 2025-09-15T21:32:54,982 Created temporary directory: /tmp/pip-wheel-kap87fk1 2025-09-15T21:32:54,986 Created temporary directory: /tmp/pip-ephem-wheel-cache-x9v71tlu 2025-09-15T21:32:55,054 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-09-15T21:32:55,057 2 location(s) to search for versions of lkfit: 2025-09-15T21:32:55,057 * https://pypi.org/simple/lkfit/ 2025-09-15T21:32:55,057 * https://www.piwheels.org/simple/lkfit/ 2025-09-15T21:32:55,058 Fetching project page and analyzing links: https://pypi.org/simple/lkfit/ 2025-09-15T21:32:55,058 Getting page https://pypi.org/simple/lkfit/ 2025-09-15T21:32:55,060 Found index url https://pypi.org/simple/ 2025-09-15T21:32:55,222 Fetched page https://pypi.org/simple/lkfit/ as application/vnd.pypi.simple.v1+json 2025-09-15T21:32:55,224 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/bc/85/1d2c1f3a5962afe7aeda61ab98095a6e4717f20cf90b51aaab4d715acbdd/lkfit-0.1.0-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,225 Found link https://files.pythonhosted.org/packages/41/3f/5a52ed0bb1c0a4c04f0614220dfcfe2a19c71eca5e310ba6c30a8fb2ef21/lkfit-0.1.0.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.1.0 2025-09-15T21:32:55,225 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/17/ac/b21f721194ba622942f7f2076d4763e6b9bb82058c20c4767f18ba986519/lkfit-0.1.1-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,226 Found link https://files.pythonhosted.org/packages/20/75/6cf8b2e11999f77de85de8572cf29a15d1286b61991220e875e714331ce7/lkfit-0.1.1.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.1.1 2025-09-15T21:32:55,226 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/5e/1c/cb93ac6774ae4cd52aeb063c0baeb5325428de2a528cf185ec76bdcda293/lkfit-0.2.0-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,226 Found link https://files.pythonhosted.org/packages/e3/24/c7d405a2efe0ada3d590888c0807e8c761320d31696739786f3ea4e06ce3/lkfit-0.2.0.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.2.0 2025-09-15T21:32:55,227 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/68/0e/05fd72fe1046ef150bcf49a3c1190f8214093324a3c38463d789f0c0956f/lkfit-0.3.1-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,227 Found link https://files.pythonhosted.org/packages/5a/c3/e7d47dc2011fba48c63ffd59a731a4d6a83336cd73ba9cb7d8dd8de7a1e2/lkfit-0.3.1.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.3.1 2025-09-15T21:32:55,227 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/68/2c/60e89ca4fd4726c02d5d2a9db57a56ef63320eeacebbced62afd1ea1d1ed/lkfit-0.4.1-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,227 Found link https://files.pythonhosted.org/packages/b3/37/8882299dbb1d09c66e620a391c7aec4725e34a95ebf4df3aa4cde96cf495/lkfit-0.4.1.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.4.1 2025-09-15T21:32:55,228 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/c6/f1/ed8c9f1c465f6df6096dbfe8d78dc17507820723fe3f77f038bae10fb304/lkfit-0.4.2-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,228 Found link https://files.pythonhosted.org/packages/a9/cd/b6748b8cb63fbf2bfd88c696738aa75a5ac49b82f1bfbafed7360d655b56/lkfit-0.4.2.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.4.2 2025-09-15T21:32:55,228 Skipping link: No binaries permitted for lkfit: https://files.pythonhosted.org/packages/41/d4/a05f2cdc9935292685ba4981a508b3bad8d256f649f218767c98f05a572f/lkfit-0.5.0-py3-none-any.whl (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,228 Found link https://files.pythonhosted.org/packages/02/41/c2a0c81dad06357c3aeeba0d4345f339fcb1cacf8c72b08a3d765e4ad5c9/lkfit-0.5.0.tar.gz (from https://pypi.org/simple/lkfit/) (requires-python:>=3.6), version: 0.5.0 2025-09-15T21:32:55,229 Fetching project page and analyzing links: https://www.piwheels.org/simple/lkfit/ 2025-09-15T21:32:55,229 Getting page https://www.piwheels.org/simple/lkfit/ 2025-09-15T21:32:55,230 Found index url https://www.piwheels.org/simple/ 2025-09-15T21:32:55,340 Fetched page https://www.piwheels.org/simple/lkfit/ as text/html 2025-09-15T21:32:55,343 Skipping link: No binaries permitted for lkfit: https://archive1.piwheels.org/simple/lkfit/lkfit-0.4.2-py3-none-any.whl#sha256=3cc94efac05fd3941418edfcb47c279d7657f3c310d6f312d5b331e0091142e1 (from https://www.piwheels.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,343 Skipping link: No binaries permitted for lkfit: https://archive1.piwheels.org/simple/lkfit/lkfit-0.4.1-py3-none-any.whl#sha256=f209ded44bda9bf5cbda1f2edfe854a06d2e272c1f3105540cba2081b62e2714 (from https://www.piwheels.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,343 Skipping link: No binaries permitted for lkfit: https://archive1.piwheels.org/simple/lkfit/lkfit-0.3.1-py3-none-any.whl#sha256=1df649f93974a3133a9821982e77cc7be18f6bf6e78e783ff052fa51e9454c71 (from https://www.piwheels.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,343 Skipping link: No binaries permitted for lkfit: https://archive1.piwheels.org/simple/lkfit/lkfit-0.2.0-py3-none-any.whl#sha256=4ca78ef0ac96f4929f3a3225120a62c87cd5843cc3fe9fb942e740b3d0c59a8d (from https://www.piwheels.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,344 Skipping link: No binaries permitted for lkfit: https://archive1.piwheels.org/simple/lkfit/lkfit-0.1.1-py3-none-any.whl#sha256=d51aa73b3e39b7a69232bce22817a1e37d164b861072e7bad56ad2cea7897b12 (from https://www.piwheels.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,344 Skipping link: No binaries permitted for lkfit: https://archive1.piwheels.org/simple/lkfit/lkfit-0.1.0-py3-none-any.whl#sha256=d5aee8f29735bf970ed6f63d45059a309a087475623f9d4d2af683e775962ed7 (from https://www.piwheels.org/simple/lkfit/) (requires-python:>=3.6) 2025-09-15T21:32:55,344 Skipping link: not a file: https://www.piwheels.org/simple/lkfit/ 2025-09-15T21:32:55,344 Skipping link: not a file: https://pypi.org/simple/lkfit/ 2025-09-15T21:32:55,373 Given no hashes to check 1 links for project 'lkfit': discarding no candidates 2025-09-15T21:32:55,374 Collecting lkfit==0.5.0 2025-09-15T21:32:55,376 Created temporary directory: /tmp/pip-unpack-6yaj1r2b 2025-09-15T21:32:55,522 Downloading lkfit-0.5.0.tar.gz (9.4 kB) 2025-09-15T21:32:55,544 Added lkfit==0.5.0 from https://files.pythonhosted.org/packages/02/41/c2a0c81dad06357c3aeeba0d4345f339fcb1cacf8c72b08a3d765e4ad5c9/lkfit-0.5.0.tar.gz to build tracker '/tmp/pip-build-tracker-asgm6hwg' 2025-09-15T21:32:55,546 Running setup.py (path:/tmp/pip-wheel-kap87fk1/lkfit_a832c211e0c647b1a01b510dd031ee35/setup.py) egg_info for package lkfit 2025-09-15T21:32:55,546 Created temporary directory: /tmp/pip-pip-egg-info-zxs6rxdb 2025-09-15T21:32:55,546 Preparing metadata (setup.py): started 2025-09-15T21:32:55,547 Running command python setup.py egg_info 2025-09-15T21:32:56,098 Traceback (most recent call last): 2025-09-15T21:32:56,099 File "", line 2, in 2025-09-15T21:32:56,099 exec(compile(''' 2025-09-15T21:32:56,100 ~~~~^^^^^^^^^^^^ 2025-09-15T21:32:56,100 # This is -- a caller that pip uses to run setup.py 2025-09-15T21:32:56,100 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,100 ...<32 lines>... 2025-09-15T21:32:56,100 exec(compile(setup_py_code, filename, "exec")) 2025-09-15T21:32:56,101 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,101 ''' % ('/tmp/pip-wheel-kap87fk1/lkfit_a832c211e0c647b1a01b510dd031ee35/setup.py',), "", "exec")) 2025-09-15T21:32:56,101 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,101 File "", line 35, in 2025-09-15T21:32:56,102 File "/tmp/pip-wheel-kap87fk1/lkfit_a832c211e0c647b1a01b510dd031ee35/setup.py", line 22, in 2025-09-15T21:32:56,102 with open('requirements.txt', 'r') as fr: 2025-09-15T21:32:56,102 ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,102 FileNotFoundError: [Errno 2] No such file or directory: 'requirements.txt' 2025-09-15T21:32:56,200 ERROR: python setup.py egg_info exited with 1 2025-09-15T21:32:56,216 [bold magenta]full command[/]: [blue]/usr/bin/python3 -c ' 2025-09-15T21:32:56,216 exec(compile('"'"''"'"''"'"' 2025-09-15T21:32:56,216 # This is -- a caller that pip uses to run setup.py 2025-09-15T21:32:56,216 # 2025-09-15T21:32:56,216 # - It imports setuptools before invoking setup.py, to enable projects that directly 2025-09-15T21:32:56,216 # import from `distutils.core` to work with newer packaging standards. 2025-09-15T21:32:56,216 # - It provides a clear error message when setuptools is not installed. 2025-09-15T21:32:56,216 # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so 2025-09-15T21:32:56,216 # setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning: 2025-09-15T21:32:56,216 # manifest_maker: standard file '"'"'-c'"'"' not found". 2025-09-15T21:32:56,216 # - It generates a shim setup.py, for handling setup.cfg-only projects. 2025-09-15T21:32:56,216 import os, sys, tokenize, traceback 2025-09-15T21:32:56,216 2025-09-15T21:32:56,216 try: 2025-09-15T21:32:56,216 import setuptools 2025-09-15T21:32:56,216 except ImportError: 2025-09-15T21:32:56,216 print( 2025-09-15T21:32:56,216 "ERROR: Can not execute `setup.py` since setuptools failed to import in " 2025-09-15T21:32:56,216 "the build environment with exception:", 2025-09-15T21:32:56,216 file=sys.stderr, 2025-09-15T21:32:56,216 ) 2025-09-15T21:32:56,216 traceback.print_exc() 2025-09-15T21:32:56,216 sys.exit(1) 2025-09-15T21:32:56,216 2025-09-15T21:32:56,216 __file__ = %r 2025-09-15T21:32:56,216 sys.argv[0] = __file__ 2025-09-15T21:32:56,216 2025-09-15T21:32:56,216 if os.path.exists(__file__): 2025-09-15T21:32:56,216 filename = __file__ 2025-09-15T21:32:56,216 with tokenize.open(__file__) as f: 2025-09-15T21:32:56,216 setup_py_code = f.read() 2025-09-15T21:32:56,216 else: 2025-09-15T21:32:56,216 filename = "" 2025-09-15T21:32:56,216 setup_py_code = "from setuptools import setup; setup()" 2025-09-15T21:32:56,216 2025-09-15T21:32:56,216 exec(compile(setup_py_code, filename, "exec")) 2025-09-15T21:32:56,216 '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-kap87fk1/lkfit_a832c211e0c647b1a01b510dd031ee35/setup.py'"'"',), "", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-zxs6rxdb[/] 2025-09-15T21:32:56,216 [bold magenta]cwd[/]: /tmp/pip-wheel-kap87fk1/lkfit_a832c211e0c647b1a01b510dd031ee35/ 2025-09-15T21:32:56,216 Preparing metadata (setup.py): finished with status 'error' 2025-09-15T21:32:56,218 ERROR: metadata generation failed 2025-09-15T21:32:56,226 Exception information: 2025-09-15T21:32:56,226 Traceback (most recent call last): 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata 2025-09-15T21:32:56,226 call_subprocess( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 args, 2025-09-15T21:32:56,226 ^^^^^ 2025-09-15T21:32:56,226 ...<2 lines>... 2025-09-15T21:32:56,226 spinner=spinner, 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess 2025-09-15T21:32:56,226 raise error 2025-09-15T21:32:56,226 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1 2025-09-15T21:32:56,226 2025-09-15T21:32:56,226 The above exception was the direct cause of the following exception: 2025-09-15T21:32:56,226 2025-09-15T21:32:56,226 Traceback (most recent call last): 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper 2025-09-15T21:32:56,226 status = _inner_run() 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run 2025-09-15T21:32:56,226 return self.run(options, args) 2025-09-15T21:32:56,226 ~~~~~~~~^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper 2025-09-15T21:32:56,226 return func(self, options, args) 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run 2025-09-15T21:32:56,226 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve 2025-09-15T21:32:56,226 result = self._result = resolver.resolve( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 collected.requirements, max_rounds=limit_how_complex_resolution_can_be 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve 2025-09-15T21:32:56,226 state = resolution.resolve(requirements, max_rounds=max_rounds) 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve 2025-09-15T21:32:56,226 self._add_to_criteria(self.state.criteria, r, parent=None) 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria 2025-09-15T21:32:56,226 if not criterion.candidates: 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__ 2025-09-15T21:32:56,226 return bool(self._sequence) 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__ 2025-09-15T21:32:56,226 self._bool = any(self) 2025-09-15T21:32:56,226 ~~~^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in 2025-09-15T21:32:56,226 return (c for c in iterator if id(c) not in self._incompatible_ids) 2025-09-15T21:32:56,226 ^^^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built 2025-09-15T21:32:56,226 candidate = func() 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link 2025-09-15T21:32:56,226 base: Optional[BaseCandidate] = self._make_base_candidate_from_link( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 link, template, name, version 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link 2025-09-15T21:32:56,226 self._link_candidate_cache[link] = LinkCandidate( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 link, 2025-09-15T21:32:56,226 ^^^^^ 2025-09-15T21:32:56,226 ...<3 lines>... 2025-09-15T21:32:56,226 version=version, 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__ 2025-09-15T21:32:56,226 super().__init__( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 link=link, 2025-09-15T21:32:56,226 ^^^^^^^^^^ 2025-09-15T21:32:56,226 ...<4 lines>... 2025-09-15T21:32:56,226 version=version, 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__ 2025-09-15T21:32:56,226 self.dist = self._prepare() 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare 2025-09-15T21:32:56,226 dist = self._prepare_distribution() 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution 2025-09-15T21:32:56,226 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement 2025-09-15T21:32:56,226 return self._prepare_linked_requirement(req, parallel_builds) 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement 2025-09-15T21:32:56,226 dist = _get_prepared_distribution( 2025-09-15T21:32:56,226 req, 2025-09-15T21:32:56,226 ...<3 lines>... 2025-09-15T21:32:56,226 self.check_build_deps, 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution 2025-09-15T21:32:56,226 abstract_dist.prepare_distribution_metadata( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 finder, build_isolation, check_build_deps 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata 2025-09-15T21:32:56,226 self.req.prepare_metadata() 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~~~~~^^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata 2025-09-15T21:32:56,226 self.metadata_directory = generate_metadata_legacy( 2025-09-15T21:32:56,226 ~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-15T21:32:56,226 build_env=self.build_env, 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ...<3 lines>... 2025-09-15T21:32:56,226 details=details, 2025-09-15T21:32:56,226 ^^^^^^^^^^^^^^^^ 2025-09-15T21:32:56,226 ) 2025-09-15T21:32:56,226 ^ 2025-09-15T21:32:56,226 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata 2025-09-15T21:32:56,226 raise MetadataGenerationFailed(package_details=details) from error 2025-09-15T21:32:56,226 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2025-09-15T21:32:56,251 Removed lkfit==0.5.0 from https://files.pythonhosted.org/packages/02/41/c2a0c81dad06357c3aeeba0d4345f339fcb1cacf8c72b08a3d765e4ad5c9/lkfit-0.5.0.tar.gz from build tracker '/tmp/pip-build-tracker-asgm6hwg' 2025-09-15T21:32:56,252 Removed build tracker: '/tmp/pip-build-tracker-asgm6hwg'