2025-09-07T20:40:35,687 Created temporary directory: /tmp/pip-build-tracker-mjctudq9 2025-09-07T20:40:35,688 Initialized build tracking at /tmp/pip-build-tracker-mjctudq9 2025-09-07T20:40:35,688 Created build tracker: /tmp/pip-build-tracker-mjctudq9 2025-09-07T20:40:35,688 Entered build tracker: /tmp/pip-build-tracker-mjctudq9 2025-09-07T20:40:35,689 Created temporary directory: /tmp/pip-wheel-vq62kt3p 2025-09-07T20:40:35,692 Created temporary directory: /tmp/pip-ephem-wheel-cache-07vdbzk3 2025-09-07T20:40:35,749 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-09-07T20:40:35,751 2 location(s) to search for versions of pairtree: 2025-09-07T20:40:35,751 * https://pypi.org/simple/pairtree/ 2025-09-07T20:40:35,751 * https://www.piwheels.org/simple/pairtree/ 2025-09-07T20:40:35,752 Fetching project page and analyzing links: https://pypi.org/simple/pairtree/ 2025-09-07T20:40:35,752 Getting page https://pypi.org/simple/pairtree/ 2025-09-07T20:40:35,753 Found index url https://pypi.org/simple/ 2025-09-07T20:40:35,823 Fetched page https://pypi.org/simple/pairtree/ as application/vnd.pypi.simple.v1+json 2025-09-07T20:40:35,825 Found link https://files.pythonhosted.org/packages/30/af/3b030d44cf09660bcc8a2e5038fac614f829f65dab4c2ea70a2fdd191325/Pairtree-0.5.6-T.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.6-T 2025-09-07T20:40:35,826 Found link https://files.pythonhosted.org/packages/ef/58/64232dcb1aeaef1cb3b82801ed85882cf5322fddbe2b3c9e4cb9a34cbc17/Pairtree-0.5.8-T.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.8-T 2025-09-07T20:40:35,826 Found link https://files.pythonhosted.org/packages/3e/ac/81a83feb05b9ef24c0eb2bb95575bf7ba7250f4ea56eee8af207dd6c2731/Pairtree-0.6.1-T.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.6.1-T 2025-09-07T20:40:35,826 Found link https://files.pythonhosted.org/packages/6c/ce/76772091269570062f57651a177ff8bc9f312701965cf8ce973f841ffda4/Pairtree-0.7-T.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.7-T 2025-09-07T20:40:35,826 Found link https://files.pythonhosted.org/packages/67/65/ce497b9d5b0e48007e5b2bbc91238b695e6425e5f546302a32eb77029c3e/Pairtree-0.7.1-T.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.7.1-T 2025-09-07T20:40:35,826 Found link https://files.pythonhosted.org/packages/4e/1a/9d1ff67b02f4146b84ab82f7892adea7ad7f3526df728efee5c65a358688/Pairtree-0.2.2.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.2.2 2025-09-07T20:40:35,827 Found link https://files.pythonhosted.org/packages/6f/b4/f33824f0754dc164e28cfad966f997a162186d29596b5489fbb546f0bb90/Pairtree-0.3.1.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.3.1 2025-09-07T20:40:35,827 Found link https://files.pythonhosted.org/packages/b5/5e/79546303a82d269ce0c0ac8534e099eac4edd5a6d93da4e6c27ef7693fa2/Pairtree-0.4.14.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.4.14 2025-09-07T20:40:35,827 Found link https://files.pythonhosted.org/packages/04/7d/2415347e59eebd801f7f14f98b3185a1d6eb9db5e0f2a54702278adbb455/Pairtree-0.5.1.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.1 2025-09-07T20:40:35,827 Found link https://files.pythonhosted.org/packages/a5/35/2bad4333e88b97ca0e7b11dc2c5b3c656e0f91c3409246cc25778585b8c2/Pairtree-0.5.3.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.3 2025-09-07T20:40:35,827 Found link https://files.pythonhosted.org/packages/48/aa/50595a8e40ad28baaaf7ed3ffe4fea424519bbc5a032f52430e5a3dc74b8/Pairtree-0.5.5.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.5 2025-09-07T20:40:35,828 Found link https://files.pythonhosted.org/packages/45/8e/f3ffa5d808ceb8b8ae633a439d432a3c53076afa6ca5743e10cff1fcd001/Pairtree-0.5.6.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.6 2025-09-07T20:40:35,828 Found link https://files.pythonhosted.org/packages/3c/ed/8b3e5da64c176b8ca157d4a310e5e8ee7b3da066afc1a74fda31824873d9/Pairtree-0.5.7.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.7 2025-09-07T20:40:35,828 Found link https://files.pythonhosted.org/packages/50/22/7064e21bd949ef3ae5681fea87257ddda069201d2821fc4538417b141247/Pairtree-0.5.8.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.5.8 2025-09-07T20:40:35,828 Skipping link: No binaries permitted for pairtree: https://files.pythonhosted.org/packages/45/7d/7d051e897b92aa0fceb218a27a8f9a40509e7ecde1c2c7d0825aa6c60aca/Pairtree-0.8-py2-none-any.whl (from https://pypi.org/simple/pairtree/) 2025-09-07T20:40:35,828 Found link https://files.pythonhosted.org/packages/0d/52/ac38bf0c1aaaff58fad4d20c7d47a26fa373c9ca7926700bc3531e64d745/Pairtree-0.8.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.8 2025-09-07T20:40:35,828 Skipping link: No binaries permitted for pairtree: https://files.pythonhosted.org/packages/db/ce/2a188c570a0399c53a0a8fcdda31f49a4d0476deada846f6d39de80f2782/Pairtree-0.8.1-py2-none-any.whl (from https://pypi.org/simple/pairtree/) 2025-09-07T20:40:35,829 Found link https://files.pythonhosted.org/packages/39/20/2016f34a3082f94211bdb62d59866db7d03dd1a12b41a19b6ea9cc78cc4a/Pairtree-0.8.1.tar.gz (from https://pypi.org/simple/pairtree/), version: 0.8.1 2025-09-07T20:40:35,829 Fetching project page and analyzing links: https://www.piwheels.org/simple/pairtree/ 2025-09-07T20:40:35,829 Getting page https://www.piwheels.org/simple/pairtree/ 2025-09-07T20:40:35,830 Found index url https://www.piwheels.org/simple/ 2025-09-07T20:40:35,920 Fetched page https://www.piwheels.org/simple/pairtree/ as text/html 2025-09-07T20:40:35,921 Skipping link: No binaries permitted for pairtree: https://archive1.piwheels.org/simple/pairtree/Pairtree-0.8.1-py3-none-any.whl#sha256=a3c65b762911d33407e71dcb2aa436b87ec41363bd1e04b7cc7edfa1d65d95dc (from https://www.piwheels.org/simple/pairtree/) 2025-09-07T20:40:35,921 Skipping link: not a file: https://www.piwheels.org/simple/pairtree/ 2025-09-07T20:40:35,922 Skipping link: not a file: https://pypi.org/simple/pairtree/ 2025-09-07T20:40:35,947 Given no hashes to check 1 links for project 'pairtree': discarding no candidates 2025-09-07T20:40:35,948 Collecting pairtree==0.5.6 2025-09-07T20:40:35,950 Created temporary directory: /tmp/pip-unpack-n2brv_86 2025-09-07T20:40:36,091 Downloading Pairtree-0.5.6.tar.gz (346 kB) 2025-09-07T20:40:36,169 Added pairtree==0.5.6 from https://files.pythonhosted.org/packages/45/8e/f3ffa5d808ceb8b8ae633a439d432a3c53076afa6ca5743e10cff1fcd001/Pairtree-0.5.6.tar.gz to build tracker '/tmp/pip-build-tracker-mjctudq9' 2025-09-07T20:40:36,170 Running setup.py (path:/tmp/pip-wheel-vq62kt3p/pairtree_a53dd2e8cf1f4fa4ac50dcb06d064f55/setup.py) egg_info for package pairtree 2025-09-07T20:40:36,170 Created temporary directory: /tmp/pip-pip-egg-info-c8ubdp_b 2025-09-07T20:40:36,170 Preparing metadata (setup.py): started 2025-09-07T20:40:36,171 Running command python setup.py egg_info 2025-09-07T20:40:36,679 Traceback (most recent call last): 2025-09-07T20:40:36,680 File "", line 2, in 2025-09-07T20:40:36,680 exec(compile(''' 2025-09-07T20:40:36,681 ~~~~^^^^^^^^^^^^ 2025-09-07T20:40:36,681 # This is -- a caller that pip uses to run setup.py 2025-09-07T20:40:36,681 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,681 ...<32 lines>... 2025-09-07T20:40:36,681 exec(compile(setup_py_code, filename, "exec")) 2025-09-07T20:40:36,681 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,681 ''' % ('/tmp/pip-wheel-vq62kt3p/pairtree_a53dd2e8cf1f4fa4ac50dcb06d064f55/setup.py',), "", "exec")) 2025-09-07T20:40:36,682 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,682 File "", line 35, in 2025-09-07T20:40:36,682 File "/tmp/pip-wheel-vq62kt3p/pairtree_a53dd2e8cf1f4fa4ac50dcb06d064f55/setup.py", line 1, in 2025-09-07T20:40:36,682 from ez_setup import use_setuptools 2025-09-07T20:40:36,682 File "/tmp/pip-wheel-vq62kt3p/pairtree_a53dd2e8cf1f4fa4ac50dcb06d064f55/ez_setup.py", line 98 2025-09-07T20:40:36,682 except pkg_resources.VersionConflict, e: 2025-09-07T20:40:36,682 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,682 SyntaxError: multiple exception types must be parenthesized 2025-09-07T20:40:36,766 ERROR: python setup.py egg_info exited with 1 2025-09-07T20:40:36,778 [bold magenta]full command[/]: [blue]/usr/bin/python3 -c ' 2025-09-07T20:40:36,778 exec(compile('"'"''"'"''"'"' 2025-09-07T20:40:36,778 # This is -- a caller that pip uses to run setup.py 2025-09-07T20:40:36,778 # 2025-09-07T20:40:36,778 # - It imports setuptools before invoking setup.py, to enable projects that directly 2025-09-07T20:40:36,778 # import from `distutils.core` to work with newer packaging standards. 2025-09-07T20:40:36,778 # - It provides a clear error message when setuptools is not installed. 2025-09-07T20:40:36,778 # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so 2025-09-07T20:40:36,778 # setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning: 2025-09-07T20:40:36,778 # manifest_maker: standard file '"'"'-c'"'"' not found". 2025-09-07T20:40:36,778 # - It generates a shim setup.py, for handling setup.cfg-only projects. 2025-09-07T20:40:36,778 import os, sys, tokenize, traceback 2025-09-07T20:40:36,778 2025-09-07T20:40:36,778 try: 2025-09-07T20:40:36,778 import setuptools 2025-09-07T20:40:36,778 except ImportError: 2025-09-07T20:40:36,778 print( 2025-09-07T20:40:36,778 "ERROR: Can not execute `setup.py` since setuptools failed to import in " 2025-09-07T20:40:36,778 "the build environment with exception:", 2025-09-07T20:40:36,778 file=sys.stderr, 2025-09-07T20:40:36,778 ) 2025-09-07T20:40:36,778 traceback.print_exc() 2025-09-07T20:40:36,778 sys.exit(1) 2025-09-07T20:40:36,778 2025-09-07T20:40:36,778 __file__ = %r 2025-09-07T20:40:36,778 sys.argv[0] = __file__ 2025-09-07T20:40:36,778 2025-09-07T20:40:36,778 if os.path.exists(__file__): 2025-09-07T20:40:36,778 filename = __file__ 2025-09-07T20:40:36,778 with tokenize.open(__file__) as f: 2025-09-07T20:40:36,778 setup_py_code = f.read() 2025-09-07T20:40:36,778 else: 2025-09-07T20:40:36,778 filename = "" 2025-09-07T20:40:36,778 setup_py_code = "from setuptools import setup; setup()" 2025-09-07T20:40:36,778 2025-09-07T20:40:36,778 exec(compile(setup_py_code, filename, "exec")) 2025-09-07T20:40:36,778 '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-vq62kt3p/pairtree_a53dd2e8cf1f4fa4ac50dcb06d064f55/setup.py'"'"',), "", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-c8ubdp_b[/] 2025-09-07T20:40:36,779 [bold magenta]cwd[/]: /tmp/pip-wheel-vq62kt3p/pairtree_a53dd2e8cf1f4fa4ac50dcb06d064f55/ 2025-09-07T20:40:36,779 Preparing metadata (setup.py): finished with status 'error' 2025-09-07T20:40:36,780 ERROR: metadata generation failed 2025-09-07T20:40:36,786 Exception information: 2025-09-07T20:40:36,786 Traceback (most recent call last): 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata 2025-09-07T20:40:36,786 call_subprocess( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 args, 2025-09-07T20:40:36,786 ^^^^^ 2025-09-07T20:40:36,786 ...<2 lines>... 2025-09-07T20:40:36,786 spinner=spinner, 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess 2025-09-07T20:40:36,786 raise error 2025-09-07T20:40:36,786 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1 2025-09-07T20:40:36,786 2025-09-07T20:40:36,786 The above exception was the direct cause of the following exception: 2025-09-07T20:40:36,786 2025-09-07T20:40:36,786 Traceback (most recent call last): 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper 2025-09-07T20:40:36,786 status = _inner_run() 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run 2025-09-07T20:40:36,786 return self.run(options, args) 2025-09-07T20:40:36,786 ~~~~~~~~^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper 2025-09-07T20:40:36,786 return func(self, options, args) 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run 2025-09-07T20:40:36,786 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve 2025-09-07T20:40:36,786 result = self._result = resolver.resolve( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 collected.requirements, max_rounds=limit_how_complex_resolution_can_be 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve 2025-09-07T20:40:36,786 state = resolution.resolve(requirements, max_rounds=max_rounds) 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve 2025-09-07T20:40:36,786 self._add_to_criteria(self.state.criteria, r, parent=None) 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria 2025-09-07T20:40:36,786 if not criterion.candidates: 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__ 2025-09-07T20:40:36,786 return bool(self._sequence) 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__ 2025-09-07T20:40:36,786 self._bool = any(self) 2025-09-07T20:40:36,786 ~~~^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in 2025-09-07T20:40:36,786 return (c for c in iterator if id(c) not in self._incompatible_ids) 2025-09-07T20:40:36,786 ^^^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built 2025-09-07T20:40:36,786 candidate = func() 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link 2025-09-07T20:40:36,786 base: Optional[BaseCandidate] = self._make_base_candidate_from_link( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 link, template, name, version 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link 2025-09-07T20:40:36,786 self._link_candidate_cache[link] = LinkCandidate( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 link, 2025-09-07T20:40:36,786 ^^^^^ 2025-09-07T20:40:36,786 ...<3 lines>... 2025-09-07T20:40:36,786 version=version, 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__ 2025-09-07T20:40:36,786 super().__init__( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 link=link, 2025-09-07T20:40:36,786 ^^^^^^^^^^ 2025-09-07T20:40:36,786 ...<4 lines>... 2025-09-07T20:40:36,786 version=version, 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__ 2025-09-07T20:40:36,786 self.dist = self._prepare() 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare 2025-09-07T20:40:36,786 dist = self._prepare_distribution() 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution 2025-09-07T20:40:36,786 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement 2025-09-07T20:40:36,786 return self._prepare_linked_requirement(req, parallel_builds) 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement 2025-09-07T20:40:36,786 dist = _get_prepared_distribution( 2025-09-07T20:40:36,786 req, 2025-09-07T20:40:36,786 ...<3 lines>... 2025-09-07T20:40:36,786 self.check_build_deps, 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution 2025-09-07T20:40:36,786 abstract_dist.prepare_distribution_metadata( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 finder, build_isolation, check_build_deps 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata 2025-09-07T20:40:36,786 self.req.prepare_metadata() 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~~~~~^^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata 2025-09-07T20:40:36,786 self.metadata_directory = generate_metadata_legacy( 2025-09-07T20:40:36,786 ~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-07T20:40:36,786 build_env=self.build_env, 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ...<3 lines>... 2025-09-07T20:40:36,786 details=details, 2025-09-07T20:40:36,786 ^^^^^^^^^^^^^^^^ 2025-09-07T20:40:36,786 ) 2025-09-07T20:40:36,786 ^ 2025-09-07T20:40:36,786 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata 2025-09-07T20:40:36,786 raise MetadataGenerationFailed(package_details=details) from error 2025-09-07T20:40:36,786 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2025-09-07T20:40:36,807 Removed pairtree==0.5.6 from https://files.pythonhosted.org/packages/45/8e/f3ffa5d808ceb8b8ae633a439d432a3c53076afa6ca5743e10cff1fcd001/Pairtree-0.5.6.tar.gz from build tracker '/tmp/pip-build-tracker-mjctudq9' 2025-09-07T20:40:36,808 Removed build tracker: '/tmp/pip-build-tracker-mjctudq9'