2023-09-15T00:47:29,974 Created temporary directory: /tmp/pip-build-tracker-iwt5_nik
2023-09-15T00:47:29,975 Initialized build tracking at /tmp/pip-build-tracker-iwt5_nik
2023-09-15T00:47:29,975 Created build tracker: /tmp/pip-build-tracker-iwt5_nik
2023-09-15T00:47:29,976 Entered build tracker: /tmp/pip-build-tracker-iwt5_nik
2023-09-15T00:47:29,976 Created temporary directory: /tmp/pip-wheel-m3uxj2aj
2023-09-15T00:47:29,979 Created temporary directory: /tmp/pip-ephem-wheel-cache-2hjr_adt
2023-09-15T00:47:30,003 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-15T00:47:30,006 2 location(s) to search for versions of lfcnn:
2023-09-15T00:47:30,006 * https://pypi.org/simple/lfcnn/
2023-09-15T00:47:30,006 * https://www.piwheels.org/simple/lfcnn/
2023-09-15T00:47:30,007 Fetching project page and analyzing links: https://pypi.org/simple/lfcnn/
2023-09-15T00:47:30,008 Getting page https://pypi.org/simple/lfcnn/
2023-09-15T00:47:30,009 Found index url https://pypi.org/simple/
2023-09-15T00:47:30,258 Fetched page https://pypi.org/simple/lfcnn/ as application/vnd.pypi.simple.v1+json
2023-09-15T00:47:30,261   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/70/ef/6ec61ec103615cc3d13edc7d67c5772fd11e49cceefa9a24ffbbaff11a72/lfcnn-0.1.1-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,262   Found link https://files.pythonhosted.org/packages/12/9b/3627291405f9daa171c3748d8909856a6ebbd73dccafcbd24fbba36444a0/lfcnn-0.1.1.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.1.1
2023-09-15T00:47:30,263   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/78/50/e66967242ee1d82ee9254d2cf97be766299ca4fd852953783024146b688e/lfcnn-0.2-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,264   Found link https://files.pythonhosted.org/packages/0e/20/2140b07cf80f5a3067db05a85e5ee18ead321ebd41361a504e2d880b7578/lfcnn-0.2.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.2
2023-09-15T00:47:30,265   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/b0/39/7881f8d1935d71d97e85edc76fb8fdace3d214a7a41f9ce46458b4ac9650/lfcnn-0.2.1-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,266   Found link https://files.pythonhosted.org/packages/80/d7/c044a89675d82a981bf5f7d1c2fcc8b2e0c4b069012fad5a5d6d460e79a3/lfcnn-0.2.1.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.2.1
2023-09-15T00:47:30,267   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/eb/e3/49d6a8d6306898b18ca59d31718eef440bf2665edffb8c68fbf7fa0566b4/lfcnn-0.3-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,268   Found link https://files.pythonhosted.org/packages/11/30/98d34035a30f30e72d253a50e8c591a0badf5d599da6f52ec1afbd626972/lfcnn-0.3.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.3
2023-09-15T00:47:30,268   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/1d/df/e2012f7da1b459b15acc82789ec7e3ec15f16bd6b928ddb063753a02acff/lfcnn-0.3.1-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,270   Found link https://files.pythonhosted.org/packages/86/88/cf0019250e46a14cbc7c0c4191afc55a64d1a0386f666771fafcfeb19129/lfcnn-0.3.1.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.3.1
2023-09-15T00:47:30,270   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/ac/e7/3c29c654e251cfc6921774935a202d35a21b6b93ea22dbd88e323edf1862/lfcnn-0.4-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,271   Found link https://files.pythonhosted.org/packages/97/5a/c5d608c82049bfddf8661b93f5078440907aeacc320a875e6808af5b0e5b/lfcnn-0.4.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.4
2023-09-15T00:47:30,272   Skipping link: No binaries permitted for lfcnn: https://files.pythonhosted.org/packages/79/87/1a0307fa6963daa5cd118be44bd24500d12a941c53a6bf83eb05ed515a65/lfcnn-0.4.1-py3-none-any.whl (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,273   Found link https://files.pythonhosted.org/packages/34/7c/a5f417e9a652ea8214bbb699fd2f783216843953e3e614302abf5ba8b175/lfcnn-0.4.1.tar.gz (from https://pypi.org/simple/lfcnn/) (requires-python:>=3.6), version: 0.4.1
2023-09-15T00:47:30,274 Fetching project page and analyzing links: https://www.piwheels.org/simple/lfcnn/
2023-09-15T00:47:30,275 Getting page https://www.piwheels.org/simple/lfcnn/
2023-09-15T00:47:30,276 Found index url https://www.piwheels.org/simple/
2023-09-15T00:47:30,535 Fetched page https://www.piwheels.org/simple/lfcnn/ as text/html
2023-09-15T00:47:30,538   Skipping link: No binaries permitted for lfcnn: https://www.piwheels.org/simple/lfcnn/lfcnn-_local-py3-none-any.whl#sha256=37e776d61ec63ac49b83987f964a11e98b64da0484699e21ff4f3336e5751590 (from https://www.piwheels.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,538   Skipping link: No binaries permitted for lfcnn: https://www.piwheels.org/simple/lfcnn/lfcnn-0.3-py3-none-any.whl#sha256=dbe59714cf2da21813b33a08e01aee29d1b28c4444a7413f516e6af27523ad1f (from https://www.piwheels.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,539   Skipping link: No binaries permitted for lfcnn: https://www.piwheels.org/simple/lfcnn/lfcnn-0.2.1-py3-none-any.whl#sha256=5d8ee08e7896b9b94a89faf06c66c1872b589751bf32b69e4e78efe268abfceb (from https://www.piwheels.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,540   Skipping link: No binaries permitted for lfcnn: https://www.piwheels.org/simple/lfcnn/lfcnn-0.2-py3-none-any.whl#sha256=04c8edcc8b7a80fe67ab41abebcde9a617cb08b53dd8314e0b7900a1b090e585 (from https://www.piwheels.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,540   Skipping link: No binaries permitted for lfcnn: https://www.piwheels.org/simple/lfcnn/lfcnn-0.1.1-py3-none-any.whl#sha256=22b266f99e9a2c923ae4a28315513891c9b2d9d8a14b91043f012161f4bcb526 (from https://www.piwheels.org/simple/lfcnn/) (requires-python:>=3.6)
2023-09-15T00:47:30,541 Skipping link: not a file: https://www.piwheels.org/simple/lfcnn/
2023-09-15T00:47:30,541 Skipping link: not a file: https://pypi.org/simple/lfcnn/
2023-09-15T00:47:30,561 Given no hashes to check 1 links for project 'lfcnn': discarding no candidates
2023-09-15T00:47:30,578 Collecting lfcnn==0.4
2023-09-15T00:47:30,581   Created temporary directory: /tmp/pip-unpack-4xr7iu52
2023-09-15T00:47:30,795   Downloading lfcnn-0.4.tar.gz (110 kB)
2023-09-15T00:47:31,053   Added lfcnn==0.4 from https://files.pythonhosted.org/packages/97/5a/c5d608c82049bfddf8661b93f5078440907aeacc320a875e6808af5b0e5b/lfcnn-0.4.tar.gz to build tracker '/tmp/pip-build-tracker-iwt5_nik'
2023-09-15T00:47:31,055   Running setup.py (path:/tmp/pip-wheel-m3uxj2aj/lfcnn_f9c10feb2bee4517b4816b1f20d4e81e/setup.py) egg_info for package lfcnn
2023-09-15T00:47:31,056   Created temporary directory: /tmp/pip-pip-egg-info-5accn7fo
2023-09-15T00:47:31,056   Preparing metadata (setup.py): started
2023-09-15T00:47:31,058   Running command python setup.py egg_info
2023-09-15T00:47:31,512   fatal: not a git repository (or any of the parent directories): .git
2023-09-15T00:47:32,070   /usr/local/lib/python3.11/dist-packages/setuptools/dist.py:321: SetuptoolsDeprecationWarning: Invalid version: '-local'.
2023-09-15T00:47:32,071   !!

2023-09-15T00:47:32,072           ********************************************************************************
2023-09-15T00:47:32,073           The version specified is not a valid version according to PEP 440.
2023-09-15T00:47:32,074           This may not work as expected with newer versions of
2023-09-15T00:47:32,075           setuptools, pip, and PyPI.

2023-09-15T00:47:32,076           By 2023-Sep-26, you need to update your project and remove deprecated calls
2023-09-15T00:47:32,077           or your builds will no longer be supported.

2023-09-15T00:47:32,078           See https://peps.python.org/pep-0440/ for details.
2023-09-15T00:47:32,078           ********************************************************************************

2023-09-15T00:47:32,079   !!
2023-09-15T00:47:32,080     self._validate_version(self.metadata.version)
2023-09-15T00:47:32,114   running egg_info
2023-09-15T00:47:32,116   /usr/local/lib/python3.11/dist-packages/setuptools/command/egg_info.py:130: SetuptoolsDeprecationWarning: Invalid version: '-local'.
2023-09-15T00:47:32,116   !!

2023-09-15T00:47:32,117           ********************************************************************************
2023-09-15T00:47:32,118           Version '-local' is not valid according to PEP 440.

2023-09-15T00:47:32,119           Please make sure to specify a valid version for your package.
2023-09-15T00:47:32,119           Also note that future releases of setuptools may halt the build process
2023-09-15T00:47:32,119           if an invalid version is given.

2023-09-15T00:47:32,120           By 2023-Sep-26, you need to update your project and remove deprecated calls
2023-09-15T00:47:32,121           or your builds will no longer be supported.

2023-09-15T00:47:32,122           See https://peps.python.org/pep-0440/ for details.
2023-09-15T00:47:32,122           ********************************************************************************

2023-09-15T00:47:32,123   !!
2023-09-15T00:47:32,124     return _normalization.best_effort_version(tagged)
2023-09-15T00:47:32,124   Traceback (most recent call last):
2023-09-15T00:47:32,125     File "<string>", line 2, in <module>
2023-09-15T00:47:32,126     File "<pip-setuptools-caller>", line 34, in <module>
2023-09-15T00:47:32,127     File "/tmp/pip-wheel-m3uxj2aj/lfcnn_f9c10feb2bee4517b4816b1f20d4e81e/setup.py", line 50, in <module>
2023-09-15T00:47:32,128       setup(
2023-09-15T00:47:32,128     File "/usr/local/lib/python3.11/dist-packages/setuptools/__init__.py", line 103, in setup
2023-09-15T00:47:32,129       return distutils.core.setup(**attrs)
2023-09-15T00:47:32,130              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,131     File "/usr/local/lib/python3.11/dist-packages/setuptools/_distutils/core.py", line 185, in setup
2023-09-15T00:47:32,132       return run_commands(dist)
2023-09-15T00:47:32,132              ^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,133     File "/usr/local/lib/python3.11/dist-packages/setuptools/_distutils/core.py", line 201, in run_commands
2023-09-15T00:47:32,134       dist.run_commands()
2023-09-15T00:47:32,135     File "/usr/local/lib/python3.11/dist-packages/setuptools/_distutils/dist.py", line 969, in run_commands
2023-09-15T00:47:32,136       self.run_command(cmd)
2023-09-15T00:47:32,137     File "/usr/local/lib/python3.11/dist-packages/setuptools/dist.py", line 1001, in run_command
2023-09-15T00:47:32,137       super().run_command(command)
2023-09-15T00:47:32,138     File "/usr/local/lib/python3.11/dist-packages/setuptools/_distutils/dist.py", line 987, in run_command
2023-09-15T00:47:32,139       cmd_obj.ensure_finalized()
2023-09-15T00:47:32,139     File "/usr/local/lib/python3.11/dist-packages/setuptools/_distutils/cmd.py", line 111, in ensure_finalized
2023-09-15T00:47:32,140       self.finalize_options()
2023-09-15T00:47:32,141     File "/usr/local/lib/python3.11/dist-packages/setuptools/command/egg_info.py", line 224, in finalize_options
2023-09-15T00:47:32,141       parsed_version = packaging.version.Version(self.egg_version)
2023-09-15T00:47:32,142                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,143     File "/usr/local/lib/python3.11/dist-packages/setuptools/_vendor/packaging/version.py", line 198, in __init__
2023-09-15T00:47:32,144       raise InvalidVersion(f"Invalid version: '{version}'")
2023-09-15T00:47:32,144   setuptools.extern.packaging.version.InvalidVersion: Invalid version: '-local'
2023-09-15T00:47:32,236   ERROR: [present-rich] python setup.py egg_info exited with 1
2023-09-15T00:47:32,250   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2023-09-15T00:47:32,250   exec(compile('"'"''"'"''"'"'
2023-09-15T00:47:32,250   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2023-09-15T00:47:32,250   #
2023-09-15T00:47:32,250   # - It imports setuptools before invoking setup.py, to enable projects that directly
2023-09-15T00:47:32,250   #   import from `distutils.core` to work with newer packaging standards.
2023-09-15T00:47:32,250   # - It provides a clear error message when setuptools is not installed.
2023-09-15T00:47:32,250   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2023-09-15T00:47:32,250   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2023-09-15T00:47:32,250   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2023-09-15T00:47:32,250   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2023-09-15T00:47:32,250   import os, sys, tokenize
2023-09-15T00:47:32,250   
2023-09-15T00:47:32,250   try:
2023-09-15T00:47:32,250       import setuptools
2023-09-15T00:47:32,250   except ImportError as error:
2023-09-15T00:47:32,250       print(
2023-09-15T00:47:32,250           "ERROR: Can not execute `setup.py` since setuptools is not available in "
2023-09-15T00:47:32,250           "the build environment.",
2023-09-15T00:47:32,250           file=sys.stderr,
2023-09-15T00:47:32,250       )
2023-09-15T00:47:32,250       sys.exit(1)
2023-09-15T00:47:32,250   
2023-09-15T00:47:32,250   __file__ = %r
2023-09-15T00:47:32,250   sys.argv[0] = __file__
2023-09-15T00:47:32,250   
2023-09-15T00:47:32,250   if os.path.exists(__file__):
2023-09-15T00:47:32,250       filename = __file__
2023-09-15T00:47:32,250       with tokenize.open(__file__) as f:
2023-09-15T00:47:32,250           setup_py_code = f.read()
2023-09-15T00:47:32,250   else:
2023-09-15T00:47:32,250       filename = "<auto-generated setuptools caller>"
2023-09-15T00:47:32,250       setup_py_code = "from setuptools import setup; setup()"
2023-09-15T00:47:32,250   
2023-09-15T00:47:32,250   exec(compile(setup_py_code, filename, "exec"))
2023-09-15T00:47:32,250   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-m3uxj2aj/lfcnn_f9c10feb2bee4517b4816b1f20d4e81e/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-5accn7fo[/]
2023-09-15T00:47:32,250   [bold magenta]cwd[/]: /tmp/pip-wheel-m3uxj2aj/lfcnn_f9c10feb2bee4517b4816b1f20d4e81e/
2023-09-15T00:47:32,251   Preparing metadata (setup.py): finished with status 'error'
2023-09-15T00:47:32,252 ERROR: [present-rich] metadata generation failed
2023-09-15T00:47:32,258 Exception information:
2023-09-15T00:47:32,258 Traceback (most recent call last):
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 64, in generate_metadata
2023-09-15T00:47:32,258     call_subprocess(
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2023-09-15T00:47:32,258     raise error
2023-09-15T00:47:32,258 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2023-09-15T00:47:32,258 
2023-09-15T00:47:32,258 The above exception was the direct cause of the following exception:
2023-09-15T00:47:32,258 
2023-09-15T00:47:32,258 Traceback (most recent call last):
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2023-09-15T00:47:32,258     status = run_func(*args)
2023-09-15T00:47:32,258              ^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/req_command.py", line 248, in wrapper
2023-09-15T00:47:32,258     return func(self, options, args)
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2023-09-15T00:47:32,258     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2023-09-15T00:47:32,258                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2023-09-15T00:47:32,258     result = self._result = resolver.resolve(
2023-09-15T00:47:32,258                             ^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
2023-09-15T00:47:32,258     state = resolution.resolve(requirements, max_rounds=max_rounds)
2023-09-15T00:47:32,258             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve
2023-09-15T00:47:32,258     self._add_to_criteria(self.state.criteria, r, parent=None)
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2023-09-15T00:47:32,258     if not criterion.candidates:
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__
2023-09-15T00:47:32,258     return bool(self._sequence)
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2023-09-15T00:47:32,258     return any(self)
2023-09-15T00:47:32,258            ^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2023-09-15T00:47:32,258     return (c for c in iterator if id(c) not in self._incompatible_ids)
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2023-09-15T00:47:32,258     candidate = func()
2023-09-15T00:47:32,258                 ^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2023-09-15T00:47:32,258     self._link_candidate_cache[link] = LinkCandidate(
2023-09-15T00:47:32,258                                        ^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 293, in __init__
2023-09-15T00:47:32,258     super().__init__(
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 156, in __init__
2023-09-15T00:47:32,258     self.dist = self._prepare()
2023-09-15T00:47:32,258                 ^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 225, in _prepare
2023-09-15T00:47:32,258     dist = self._prepare_distribution()
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 304, in _prepare_distribution
2023-09-15T00:47:32,258     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 538, in prepare_linked_requirement
2023-09-15T00:47:32,258     return self._prepare_linked_requirement(req, parallel_builds)
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 653, in _prepare_linked_requirement
2023-09-15T00:47:32,258     dist = _get_prepared_distribution(
2023-09-15T00:47:32,258            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2023-09-15T00:47:32,258     abstract_dist.prepare_distribution_metadata(
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/distributions/sdist.py", line 61, in prepare_distribution_metadata
2023-09-15T00:47:32,258     self.req.prepare_metadata()
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/req/req_install.py", line 568, in prepare_metadata
2023-09-15T00:47:32,258     self.metadata_directory = generate_metadata_legacy(
2023-09-15T00:47:32,258                               ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-15T00:47:32,258   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 71, in generate_metadata
2023-09-15T00:47:32,258     raise MetadataGenerationFailed(package_details=details) from error
2023-09-15T00:47:32,258 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2023-09-15T00:47:32,270 Removed lfcnn==0.4 from https://files.pythonhosted.org/packages/97/5a/c5d608c82049bfddf8661b93f5078440907aeacc320a875e6808af5b0e5b/lfcnn-0.4.tar.gz from build tracker '/tmp/pip-build-tracker-iwt5_nik'
2023-09-15T00:47:32,271 Removed build tracker: '/tmp/pip-build-tracker-iwt5_nik'