2025-09-09T21:16:25,630 Created temporary directory: /tmp/pip-build-tracker-ahj0s98_
2025-09-09T21:16:25,631 Initialized build tracking at /tmp/pip-build-tracker-ahj0s98_
2025-09-09T21:16:25,631 Created build tracker: /tmp/pip-build-tracker-ahj0s98_
2025-09-09T21:16:25,631 Entered build tracker: /tmp/pip-build-tracker-ahj0s98_
2025-09-09T21:16:25,631 Created temporary directory: /tmp/pip-wheel-_rb7qnd_
2025-09-09T21:16:25,635 Created temporary directory: /tmp/pip-ephem-wheel-cache-dce7onne
2025-09-09T21:16:25,694 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-09-09T21:16:25,697 2 location(s) to search for versions of tfacon:
2025-09-09T21:16:25,697 * https://pypi.org/simple/tfacon/
2025-09-09T21:16:25,697 * https://www.piwheels.org/simple/tfacon/
2025-09-09T21:16:25,697 Fetching project page and analyzing links: https://pypi.org/simple/tfacon/
2025-09-09T21:16:25,697 Getting page https://pypi.org/simple/tfacon/
2025-09-09T21:16:25,698 Found index url https://pypi.org/simple/
2025-09-09T21:16:25,849 Fetched page https://pypi.org/simple/tfacon/ as application/vnd.pypi.simple.v1+json
2025-09-09T21:16:25,856   Skipping link: No binaries permitted for tfacon: https://files.pythonhosted.org/packages/52/6e/fb67a4a7fc252750a8c2009144c742dab846a147b01b6f957ebf080cda31/tfacon-1.0.1-py2.py3-none-any.whl (from https://pypi.org/simple/tfacon/)
2025-09-09T21:16:25,856   Found link https://files.pythonhosted.org/packages/f3/47/e7e05db4072585007a3e184bb47701b45ee5688f893d9653cf68dfc74e1c/tfacon-1.0.1.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.1
2025-09-09T21:16:25,857   Skipping link: No binaries permitted for tfacon: https://files.pythonhosted.org/packages/20/15/c207d179e1c958346bb1541a3bad54f6b41408b5c0bc2092998121086fee/tfacon-1.0.2-py2.py3-none-any.whl (from https://pypi.org/simple/tfacon/)
2025-09-09T21:16:25,857   Found link https://files.pythonhosted.org/packages/44/a6/d2f650917e81864c7faae32fc35e901afa7684c7ad89c0b04ce68699818f/tfacon-1.0.2.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.2
2025-09-09T21:16:25,858   Found link https://files.pythonhosted.org/packages/77/09/2a80b0c5038c8fe337e4a692cfef354c85a2034a43df5bb43ea6ecf7940f/tfacon-1.0.3.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.3
2025-09-09T21:16:25,858   Skipping link: No binaries permitted for tfacon: https://files.pythonhosted.org/packages/c0/90/23f9a6fd8dba0686ac4a83837487b34984fb7f9e4c339a17c21317775f3a/tfacon-1.0.4-py2.py3-none-any.whl (from https://pypi.org/simple/tfacon/)
2025-09-09T21:16:25,858   Found link https://files.pythonhosted.org/packages/87/02/f9361a9d8608b61df4ef85a7060ca4d343de71bc2d6e177407524dd90eb0/tfacon-1.0.4.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.4
2025-09-09T21:16:25,859   Found link https://files.pythonhosted.org/packages/a8/9b/dbebb1bb523684cbbc1b86bb26f1d59da17d510c9f05535d5269915e255e/tfacon-1.0.5.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.5
2025-09-09T21:16:25,859   Found link https://files.pythonhosted.org/packages/e2/f7/4c0ed460a4853ce40aa4f6149097c7cfcb75ca0a0621cae4f17bf33a4160/tfacon-1.0.6.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.6
2025-09-09T21:16:25,860   Found link https://files.pythonhosted.org/packages/43/b8/6451bc03ffa5664bf8e7989024dc49b9434849f6a9f3741b4261c46391f6/tfacon-1.0.7.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.7
2025-09-09T21:16:25,860   Found link https://files.pythonhosted.org/packages/f9/1e/9800a39c73a0980f2a2123b0abcd12752c7ec52817e18d38b7f825815680/tfacon-1.0.8.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.8
2025-09-09T21:16:25,861   Found link https://files.pythonhosted.org/packages/f4/59/2b758f381f36b710ad16d44249d3470104d0b7d29476e88075bb06b52bea/tfacon-1.0.9.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.9
2025-09-09T21:16:25,861   Found link https://files.pythonhosted.org/packages/34/62/47500f6ee7d6e0d9cec9ece9caa27c2f84fb1f95a316093003471fd57fa7/tfacon-1.0.10.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.10
2025-09-09T21:16:25,862   Found link https://files.pythonhosted.org/packages/8d/f2/07893bc39696bd3619555d39d252f14eceb07be37a64389e7f2b66732bfd/tfacon-1.0.11.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.11
2025-09-09T21:16:25,862   Found link https://files.pythonhosted.org/packages/e4/16/28eb749e2176ebb7d1b022ab65aa814917f73f5db393dd3390f80152ef94/tfacon-1.0.12.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.0.12
2025-09-09T21:16:25,863   Found link https://files.pythonhosted.org/packages/8d/cd/6710b5482df4f440b0d4baf24e47945b018d66ff883a484a23395569eaa5/tfacon-1.1.0.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.1.0
2025-09-09T21:16:25,863   Found link https://files.pythonhosted.org/packages/f1/a8/831058d9e9b1e6d3bd821ce4cd57e5df5246dd3df2a474ef8c76465538ad/tfacon-1.1.1.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.1.1
2025-09-09T21:16:25,864   Found link https://files.pythonhosted.org/packages/34/c8/4817a3ff5e34fcf8a3e659cba2c68b58e47557f0b56728ea5ac5dcbe99ba/tfacon-1.1.2.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.1.2
2025-09-09T21:16:25,864   Found link https://files.pythonhosted.org/packages/92/91/d8bcf649d3d22673dc091f7dea9007a9d8ba8d5635de83615487711fa660/tfacon-1.1.3.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.1.3
2025-09-09T21:16:25,865   Found link https://files.pythonhosted.org/packages/a8/b2/764e2f82adc2a1d74a484cbe8b6462cb6d03a78c7344580ec3f9ec0cc400/tfacon-1.1.4.tar.gz (from https://pypi.org/simple/tfacon/), version: 1.1.4
2025-09-09T21:16:25,865 Fetching project page and analyzing links: https://www.piwheels.org/simple/tfacon/
2025-09-09T21:16:25,866 Getting page https://www.piwheels.org/simple/tfacon/
2025-09-09T21:16:25,868 Found index url https://www.piwheels.org/simple/
2025-09-09T21:16:25,963 Fetched page https://www.piwheels.org/simple/tfacon/ as text/html
2025-09-09T21:16:25,966   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.1.4-py2.py3-none-any.whl#sha256=8e4a37ab069f073ab0491aa7b061010857404c9895da51c494acdc9040b89028 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,966   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.1.3-py2.py3-none-any.whl#sha256=6aed3459d05770936d12fc46cd3496d009f5d37f8834546282e75c29d3ae0715 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,966   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.1.2-py2.py3-none-any.whl#sha256=9067ab5c6997645579005dc9190ba46ecf33ef54431481adda68fd4aed35bc23 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,966   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.1.1-py2.py3-none-any.whl#sha256=76f7fdb2f68eebb9247f0db1c1aca31ec1ad4b067eb35a3e416ad1dfca144fb1 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,966   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.1.0-py2.py3-none-any.whl#sha256=f720c7baa0255ccf09c9020b8c7b45fdd0e01f80db3ab54478c2e0e1f4c728fe (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.12-py2.py3-none-any.whl#sha256=bcb4db9f98dd102c65ce4d29e49eff339a25c5778bf5283ecc0d90ac1b12857f (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.11-py2.py3-none-any.whl#sha256=f3473abaeda2f23f1fba7d5f003f25bfaf334af69ff23e51f47233830a327e1b (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.10-py2.py3-none-any.whl#sha256=e6b63ef4c6195cdbd566e08f2ae6859ba2b1d23228f7061d17c704cae5351de7 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.9-py2.py3-none-any.whl#sha256=ee0ad3f4082f9ba806d35504fdf2a5e46695d2060e330d350d65043790447163 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.8-py2.py3-none-any.whl#sha256=8043913c9e8006a85874d8a9eb1ee754034fa4085247e4d64f9357734be9103c (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.7-py2.py3-none-any.whl#sha256=d4d5aa0a1f3f13abfbcdd00f82d7f1994ef6fcb9de96aae6bd6defb421b26283 (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,967   Skipping link: No binaries permitted for tfacon: https://archive1.piwheels.org/simple/tfacon/tfacon-1.0.6-py2.py3-none-any.whl#sha256=85c2d9ce21b7f8e2a869c7d3935e47370b5265d0efc1e52bf02046522558febe (from https://www.piwheels.org/simple/tfacon/)
2025-09-09T21:16:25,968 Skipping link: not a file: https://www.piwheels.org/simple/tfacon/
2025-09-09T21:16:25,968 Skipping link: not a file: https://pypi.org/simple/tfacon/
2025-09-09T21:16:25,994 Given no hashes to check 1 links for project 'tfacon': discarding no candidates
2025-09-09T21:16:25,995 Collecting tfacon==1.0.1
2025-09-09T21:16:25,996   Created temporary directory: /tmp/pip-unpack-3ecdsjns
2025-09-09T21:16:26,153   Downloading tfacon-1.0.1.tar.gz (5.8 MB)
2025-09-09T21:16:27,110   Added tfacon==1.0.1 from https://files.pythonhosted.org/packages/f3/47/e7e05db4072585007a3e184bb47701b45ee5688f893d9653cf68dfc74e1c/tfacon-1.0.1.tar.gz to build tracker '/tmp/pip-build-tracker-ahj0s98_'
2025-09-09T21:16:27,111   Running setup.py (path:/tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/setup.py) egg_info for package tfacon
2025-09-09T21:16:27,112   Created temporary directory: /tmp/pip-pip-egg-info-6au9wlm5
2025-09-09T21:16:27,112   Preparing metadata (setup.py): started
2025-09-09T21:16:27,113   Running command python setup.py egg_info
2025-09-09T21:16:27,624   Traceback (most recent call last):
2025-09-09T21:16:27,626     File "<string>", line 2, in <module>
2025-09-09T21:16:27,627       exec(compile('''
2025-09-09T21:16:27,627       ~~~~^^^^^^^^^^^^
2025-09-09T21:16:27,627       # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-09T21:16:27,627       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,627       ...<32 lines>...
2025-09-09T21:16:27,627       exec(compile(setup_py_code, filename, "exec"))
2025-09-09T21:16:27,627       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,627       ''' % ('/tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/setup.py',), "<pip-setuptools-caller>", "exec"))
2025-09-09T21:16:27,627       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,627     File "<pip-setuptools-caller>", line 35, in <module>
2025-09-09T21:16:27,628     File "/tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/setup.py", line 17, in <module>
2025-09-09T21:16:27,628       version=get_version(),
2025-09-09T21:16:27,628               ~~~~~~~~~~~^^
2025-09-09T21:16:27,628     File "/tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/setup.py", line 11, in get_version
2025-09-09T21:16:27,628       init = open(os.path.join(ROOT, 'tfacon_pip', '__init__.py')).read()
2025-09-09T21:16:27,628              ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,628   FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/tfacon_pip/__init__.py'
2025-09-09T21:16:27,714   ERROR: python setup.py egg_info exited with 1
2025-09-09T21:16:27,726   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2025-09-09T21:16:27,726   exec(compile('"'"''"'"''"'"'
2025-09-09T21:16:27,726   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-09T21:16:27,726   #
2025-09-09T21:16:27,726   # - It imports setuptools before invoking setup.py, to enable projects that directly
2025-09-09T21:16:27,726   #   import from `distutils.core` to work with newer packaging standards.
2025-09-09T21:16:27,726   # - It provides a clear error message when setuptools is not installed.
2025-09-09T21:16:27,726   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2025-09-09T21:16:27,726   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2025-09-09T21:16:27,726   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2025-09-09T21:16:27,726   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2025-09-09T21:16:27,726   import os, sys, tokenize, traceback
2025-09-09T21:16:27,726   
2025-09-09T21:16:27,726   try:
2025-09-09T21:16:27,726       import setuptools
2025-09-09T21:16:27,726   except ImportError:
2025-09-09T21:16:27,726       print(
2025-09-09T21:16:27,726           "ERROR: Can not execute `setup.py` since setuptools failed to import in "
2025-09-09T21:16:27,726           "the build environment with exception:",
2025-09-09T21:16:27,726           file=sys.stderr,
2025-09-09T21:16:27,726       )
2025-09-09T21:16:27,726       traceback.print_exc()
2025-09-09T21:16:27,726       sys.exit(1)
2025-09-09T21:16:27,726   
2025-09-09T21:16:27,726   __file__ = %r
2025-09-09T21:16:27,726   sys.argv[0] = __file__
2025-09-09T21:16:27,726   
2025-09-09T21:16:27,726   if os.path.exists(__file__):
2025-09-09T21:16:27,726       filename = __file__
2025-09-09T21:16:27,726       with tokenize.open(__file__) as f:
2025-09-09T21:16:27,726           setup_py_code = f.read()
2025-09-09T21:16:27,726   else:
2025-09-09T21:16:27,726       filename = "<auto-generated setuptools caller>"
2025-09-09T21:16:27,726       setup_py_code = "from setuptools import setup; setup()"
2025-09-09T21:16:27,726   
2025-09-09T21:16:27,726   exec(compile(setup_py_code, filename, "exec"))
2025-09-09T21:16:27,726   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-6au9wlm5[/]
2025-09-09T21:16:27,726   [bold magenta]cwd[/]: /tmp/pip-wheel-_rb7qnd_/tfacon_744543f21bda458a80b048ba0c571f26/
2025-09-09T21:16:27,726   Preparing metadata (setup.py): finished with status 'error'
2025-09-09T21:16:27,727 ERROR: metadata generation failed
2025-09-09T21:16:27,732 Exception information:
2025-09-09T21:16:27,732 Traceback (most recent call last):
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata
2025-09-09T21:16:27,732     call_subprocess(
2025-09-09T21:16:27,732     ~~~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         args,
2025-09-09T21:16:27,732         ^^^^^
2025-09-09T21:16:27,732     ...<2 lines>...
2025-09-09T21:16:27,732         spinner=spinner,
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess
2025-09-09T21:16:27,732     raise error
2025-09-09T21:16:27,732 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2025-09-09T21:16:27,732 
2025-09-09T21:16:27,732 The above exception was the direct cause of the following exception:
2025-09-09T21:16:27,732 
2025-09-09T21:16:27,732 Traceback (most recent call last):
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
2025-09-09T21:16:27,732     status = _inner_run()
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
2025-09-09T21:16:27,732     return self.run(options, args)
2025-09-09T21:16:27,732            ~~~~~~~~^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper
2025-09-09T21:16:27,732     return func(self, options, args)
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2025-09-09T21:16:27,732     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve
2025-09-09T21:16:27,732     result = self._result = resolver.resolve(
2025-09-09T21:16:27,732                             ~~~~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         collected.requirements, max_rounds=limit_how_complex_resolution_can_be
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve
2025-09-09T21:16:27,732     state = resolution.resolve(requirements, max_rounds=max_rounds)
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve
2025-09-09T21:16:27,732     self._add_to_criteria(self.state.criteria, r, parent=None)
2025-09-09T21:16:27,732     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria
2025-09-09T21:16:27,732     if not criterion.candidates:
2025-09-09T21:16:27,732            ^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__
2025-09-09T21:16:27,732     return bool(self._sequence)
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__
2025-09-09T21:16:27,732     self._bool = any(self)
2025-09-09T21:16:27,732                  ~~~^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in <genexpr>
2025-09-09T21:16:27,732     return (c for c in iterator if id(c) not in self._incompatible_ids)
2025-09-09T21:16:27,732                        ^^^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built
2025-09-09T21:16:27,732     candidate = func()
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link
2025-09-09T21:16:27,732     base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
2025-09-09T21:16:27,732                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         link, template, name, version
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link
2025-09-09T21:16:27,732     self._link_candidate_cache[link] = LinkCandidate(
2025-09-09T21:16:27,732                                        ~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         link,
2025-09-09T21:16:27,732         ^^^^^
2025-09-09T21:16:27,732     ...<3 lines>...
2025-09-09T21:16:27,732         version=version,
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__
2025-09-09T21:16:27,732     super().__init__(
2025-09-09T21:16:27,732     ~~~~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         link=link,
2025-09-09T21:16:27,732         ^^^^^^^^^^
2025-09-09T21:16:27,732     ...<4 lines>...
2025-09-09T21:16:27,732         version=version,
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__
2025-09-09T21:16:27,732     self.dist = self._prepare()
2025-09-09T21:16:27,732                 ~~~~~~~~~~~~~^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare
2025-09-09T21:16:27,732     dist = self._prepare_distribution()
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution
2025-09-09T21:16:27,732     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2025-09-09T21:16:27,732            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement
2025-09-09T21:16:27,732     return self._prepare_linked_requirement(req, parallel_builds)
2025-09-09T21:16:27,732            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement
2025-09-09T21:16:27,732     dist = _get_prepared_distribution(
2025-09-09T21:16:27,732         req,
2025-09-09T21:16:27,732     ...<3 lines>...
2025-09-09T21:16:27,732         self.check_build_deps,
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2025-09-09T21:16:27,732     abstract_dist.prepare_distribution_metadata(
2025-09-09T21:16:27,732     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         finder, build_isolation, check_build_deps
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata
2025-09-09T21:16:27,732     self.req.prepare_metadata()
2025-09-09T21:16:27,732     ~~~~~~~~~~~~~~~~~~~~~~~~~^^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata
2025-09-09T21:16:27,732     self.metadata_directory = generate_metadata_legacy(
2025-09-09T21:16:27,732                               ~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-09T21:16:27,732         build_env=self.build_env,
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     ...<3 lines>...
2025-09-09T21:16:27,732         details=details,
2025-09-09T21:16:27,732         ^^^^^^^^^^^^^^^^
2025-09-09T21:16:27,732     )
2025-09-09T21:16:27,732     ^
2025-09-09T21:16:27,732   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata
2025-09-09T21:16:27,732     raise MetadataGenerationFailed(package_details=details) from error
2025-09-09T21:16:27,732 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2025-09-09T21:16:27,753 Removed tfacon==1.0.1 from https://files.pythonhosted.org/packages/f3/47/e7e05db4072585007a3e184bb47701b45ee5688f893d9653cf68dfc74e1c/tfacon-1.0.1.tar.gz from build tracker '/tmp/pip-build-tracker-ahj0s98_'
2025-09-09T21:16:27,753 Removed build tracker: '/tmp/pip-build-tracker-ahj0s98_'