2023-09-13T19:56:06,497 Created temporary directory: /tmp/pip-build-tracker-zz8uct01
2023-09-13T19:56:06,498 Initialized build tracking at /tmp/pip-build-tracker-zz8uct01
2023-09-13T19:56:06,499 Created build tracker: /tmp/pip-build-tracker-zz8uct01
2023-09-13T19:56:06,499 Entered build tracker: /tmp/pip-build-tracker-zz8uct01
2023-09-13T19:56:06,500 Created temporary directory: /tmp/pip-wheel-qw3i3ueu
2023-09-13T19:56:06,503 Created temporary directory: /tmp/pip-ephem-wheel-cache-jzo_uey6
2023-09-13T19:56:06,524 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-13T19:56:06,528 2 location(s) to search for versions of demucs:
2023-09-13T19:56:06,528 * https://pypi.org/simple/demucs/
2023-09-13T19:56:06,528 * https://www.piwheels.org/simple/demucs/
2023-09-13T19:56:06,529 Fetching project page and analyzing links: https://pypi.org/simple/demucs/
2023-09-13T19:56:06,529 Getting page https://pypi.org/simple/demucs/
2023-09-13T19:56:06,531 Found index url https://pypi.org/simple/
2023-09-13T19:56:06,673 Fetched page https://pypi.org/simple/demucs/ as application/vnd.pypi.simple.v1+json
2023-09-13T19:56:06,677   Found link https://files.pythonhosted.org/packages/80/04/5d0473a2e1261c3789ff6083febb5f797776a42dbbe069691b9cc73c9f10/demucs-0.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 0.0.0
2023-09-13T19:56:06,679   Found link https://files.pythonhosted.org/packages/f0/0b/ebb129e8724e8822e8f94e231118109f73b4a77ff76d47142e0fced854d7/demucs-0.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 0.0.1
2023-09-13T19:56:06,680   Found link https://files.pythonhosted.org/packages/45/01/b59d89dc34a990ebe5ef66880ca43ec408c31f0a7689975367fd9e52592f/demucs-0.0.2.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 0.0.2
2023-09-13T19:56:06,681   Found link https://files.pythonhosted.org/packages/80/77/4991edb8d4764892260a913048ee607b50da520c4638f2c824ce1bdbe30e/demucs-2.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.0
2023-09-13T19:56:06,682   Found link https://files.pythonhosted.org/packages/3b/37/5e853b339c193ce4d6bf47f1c1766ee938c1976eedec0ff9461d9c0b8e10/demucs-2.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.1
2023-09-13T19:56:06,683   Found link https://files.pythonhosted.org/packages/ee/8b/8f3246b5b21cc137c02aeaf9cbeff2a6d1f65aafdb325f11aecc13ba07c3/demucs-2.0.2.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.2
2023-09-13T19:56:06,684   Found link https://files.pythonhosted.org/packages/48/91/c6594847bc3ab99597f58acdb99c022cfe1d6027353e695778dd90301128/demucs-2.0.3.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 2.0.3
2023-09-13T19:56:06,685   Found link https://files.pythonhosted.org/packages/5b/a5/d29ca8f45f1d6dc814d595b9874cb209d45e97c1bbfb41c48968be2e1231/demucs-3.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.0
2023-09-13T19:56:06,686   Found link https://files.pythonhosted.org/packages/5b/93/8a96140c92b11f7928008187a37b4378129510be0d1dcdcb289ddfe258f3/demucs-3.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.1
2023-09-13T19:56:06,687   Found link https://files.pythonhosted.org/packages/6b/ed/61e40fe1d1b43507d2d4d5981711d556504bab18876c2474ae5e0751e9e3/demucs-3.0.2.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.2
2023-09-13T19:56:06,688   Found link https://files.pythonhosted.org/packages/17/24/3b75e03243651603b95d8dbdb99eba104a464d3e8ca26d1ad54d95a985c5/demucs-3.0.3.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.3
2023-09-13T19:56:06,689   Found link https://files.pythonhosted.org/packages/9e/cf/47b385a335c887f3c0aaa6be3e0bb45f43a515d5be066d2d67d3a7e690c6/demucs-3.0.4.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.4
2023-09-13T19:56:06,689   Found link https://files.pythonhosted.org/packages/3d/1c/5514e0b2d69d28a44e6c06f678b427a86c022beca54262578eaccd4033c9/demucs-3.0.5.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.5
2023-09-13T19:56:06,690   Found link https://files.pythonhosted.org/packages/d1/8f/85ffde3724ef9ed8178750119752b7d1a8dd52f0c502e5d98def7d0404d1/demucs-3.0.6.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 3.0.6
2023-09-13T19:56:06,692   Found link https://files.pythonhosted.org/packages/7f/1e/c2c2cde6cd5826ea25dc132ec49cf5717474ce03e3479aad7f581adb29b1/demucs-4.0.0.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.7.0), version: 4.0.0
2023-09-13T19:56:06,693   Found link https://files.pythonhosted.org/packages/87/38/55f835ebd9f443465087a6954ede19d4a41aebdf5e28567e89b99d6d2f57/demucs-4.0.1.tar.gz (from https://pypi.org/simple/demucs/) (requires-python:>=3.8.0), version: 4.0.1
2023-09-13T19:56:06,693 Fetching project page and analyzing links: https://www.piwheels.org/simple/demucs/
2023-09-13T19:56:06,694 Getting page https://www.piwheels.org/simple/demucs/
2023-09-13T19:56:06,695 Found index url https://www.piwheels.org/simple/
2023-09-13T19:56:07,344 Fetched page https://www.piwheels.org/simple/demucs/ as text/html
2023-09-13T19:56:07,352   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-4.0.1-py3-none-any.whl#sha256=04d6a0623269b7c2e120bf9c2e41e99baa57f6570ec1bea84b8a7f58d9fd0220 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.8.0)
2023-09-13T19:56:07,353   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-4.0.0-py3-none-any.whl#sha256=7e7f866364006560fa2a6a11df885529d663bec5c711b158a5e43c73d7c3fa4e (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,354   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-3.0.6-py3-none-any.whl#sha256=7e4535a786f2c854c95d3cefe52edc516ffeb44917d3eb476150c151f2e72a3f (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,355   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-3.0.5-py3-none-any.whl#sha256=1562debd9bc08829fc9aa47c7cd123e02090f83100e274b0ddf3bd36de49c125 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,356   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-3.0.4-py3-none-any.whl#sha256=4658585eb41a159a40f6666601ab7dd202fa531135e0af83dfa4fd6d07a68054 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,356   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-3.0.3-py3-none-any.whl#sha256=adcf96789e6b0e0058f21a8c91ca905bd008144fa9d425d8ef9aa7ab88471763 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,357   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-3.0.2-py3-none-any.whl#sha256=2046a9762d38383b15f71fc2762f92cf4655952690011914cb6fc37f0b2e0329 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,358   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-3.0.1-py3-none-any.whl#sha256=ee88fdd39b30ab4cbf39845a40df0a6a1dfee22da403f90876c837271103fb7e (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,359   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-2.0.3-py3-none-any.whl#sha256=a629998e1506e29ed1b645509745fa0464a32fa84006677fd663ba7f7bb71d03 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,359   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-2.0.2-py3-none-any.whl#sha256=6dfa304bd9500d1aebfe9641e9047c811a036a424b25015a96ff037cbf6ca8d8 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,360   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-2.0.1-py3-none-any.whl#sha256=fb9ba9964b696f4510c2204a5984f08dcfd3a8dd6596c3f39ea00288dc92f3e7 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,361   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-2.0.0-py3-none-any.whl#sha256=1da352191a77d642c3ec07033315bc090f1303dc1c0e3486f45634c7c01fd51d (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,362   Skipping link: No binaries permitted for demucs: https://www.piwheels.org/simple/demucs/demucs-0.0.2-py3-none-any.whl#sha256=322b2ca9826abfda67049718e4ea8d56ac4355ebf7a800a46e2d2ccffbf35372 (from https://www.piwheels.org/simple/demucs/) (requires-python:>=3.7.0)
2023-09-13T19:56:07,363 Skipping link: not a file: https://www.piwheels.org/simple/demucs/
2023-09-13T19:56:07,363 Skipping link: not a file: https://pypi.org/simple/demucs/
2023-09-13T19:56:07,400 Given no hashes to check 1 links for project 'demucs': discarding no candidates
2023-09-13T19:56:07,432 Collecting demucs==0.0.0
2023-09-13T19:56:07,435   Created temporary directory: /tmp/pip-unpack-z88tqzr9
2023-09-13T19:56:07,648   Downloading demucs-0.0.0.tar.gz (1.5 kB)
2023-09-13T19:56:07,668   Added demucs==0.0.0 from https://files.pythonhosted.org/packages/80/04/5d0473a2e1261c3789ff6083febb5f797776a42dbbe069691b9cc73c9f10/demucs-0.0.0.tar.gz to build tracker '/tmp/pip-build-tracker-zz8uct01'
2023-09-13T19:56:07,670   Running setup.py (path:/tmp/pip-wheel-qw3i3ueu/demucs_c7ccc71c15f64c398372ca6db6bd1679/setup.py) egg_info for package demucs
2023-09-13T19:56:07,671   Created temporary directory: /tmp/pip-pip-egg-info-tm7l8npb
2023-09-13T19:56:07,671   Preparing metadata (setup.py): started
2023-09-13T19:56:07,673   Running command python setup.py egg_info
2023-09-13T19:56:08,142   Traceback (most recent call last):
2023-09-13T19:56:08,142     File "<string>", line 2, in <module>
2023-09-13T19:56:08,143     File "<pip-setuptools-caller>", line 34, in <module>
2023-09-13T19:56:08,144     File "/tmp/pip-wheel-qw3i3ueu/demucs_c7ccc71c15f64c398372ca6db6bd1679/setup.py", line 19, in <module>
2023-09-13T19:56:08,144       REQUIRED = [i.strip() for i in open("requirements.txt")]
2023-09-13T19:56:08,145                                      ^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,146   FileNotFoundError: [Errno 2] No such file or directory: 'requirements.txt'
2023-09-13T19:56:08,211   ERROR: [present-rich] python setup.py egg_info exited with 1
2023-09-13T19:56:08,225   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2023-09-13T19:56:08,225   exec(compile('"'"''"'"''"'"'
2023-09-13T19:56:08,225   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2023-09-13T19:56:08,225   #
2023-09-13T19:56:08,225   # - It imports setuptools before invoking setup.py, to enable projects that directly
2023-09-13T19:56:08,225   #   import from `distutils.core` to work with newer packaging standards.
2023-09-13T19:56:08,225   # - It provides a clear error message when setuptools is not installed.
2023-09-13T19:56:08,225   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2023-09-13T19:56:08,225   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2023-09-13T19:56:08,225   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2023-09-13T19:56:08,225   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2023-09-13T19:56:08,225   import os, sys, tokenize
2023-09-13T19:56:08,225   
2023-09-13T19:56:08,225   try:
2023-09-13T19:56:08,225       import setuptools
2023-09-13T19:56:08,225   except ImportError as error:
2023-09-13T19:56:08,225       print(
2023-09-13T19:56:08,225           "ERROR: Can not execute `setup.py` since setuptools is not available in "
2023-09-13T19:56:08,225           "the build environment.",
2023-09-13T19:56:08,225           file=sys.stderr,
2023-09-13T19:56:08,225       )
2023-09-13T19:56:08,225       sys.exit(1)
2023-09-13T19:56:08,225   
2023-09-13T19:56:08,225   __file__ = %r
2023-09-13T19:56:08,225   sys.argv[0] = __file__
2023-09-13T19:56:08,225   
2023-09-13T19:56:08,225   if os.path.exists(__file__):
2023-09-13T19:56:08,225       filename = __file__
2023-09-13T19:56:08,225       with tokenize.open(__file__) as f:
2023-09-13T19:56:08,225           setup_py_code = f.read()
2023-09-13T19:56:08,225   else:
2023-09-13T19:56:08,225       filename = "<auto-generated setuptools caller>"
2023-09-13T19:56:08,225       setup_py_code = "from setuptools import setup; setup()"
2023-09-13T19:56:08,225   
2023-09-13T19:56:08,225   exec(compile(setup_py_code, filename, "exec"))
2023-09-13T19:56:08,225   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-qw3i3ueu/demucs_c7ccc71c15f64c398372ca6db6bd1679/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-tm7l8npb[/]
2023-09-13T19:56:08,225   [bold magenta]cwd[/]: /tmp/pip-wheel-qw3i3ueu/demucs_c7ccc71c15f64c398372ca6db6bd1679/
2023-09-13T19:56:08,226   Preparing metadata (setup.py): finished with status 'error'
2023-09-13T19:56:08,227 ERROR: [present-rich] metadata generation failed
2023-09-13T19:56:08,233 Exception information:
2023-09-13T19:56:08,233 Traceback (most recent call last):
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 64, in generate_metadata
2023-09-13T19:56:08,233     call_subprocess(
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2023-09-13T19:56:08,233     raise error
2023-09-13T19:56:08,233 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2023-09-13T19:56:08,233 
2023-09-13T19:56:08,233 The above exception was the direct cause of the following exception:
2023-09-13T19:56:08,233 
2023-09-13T19:56:08,233 Traceback (most recent call last):
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2023-09-13T19:56:08,233     status = run_func(*args)
2023-09-13T19:56:08,233              ^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/req_command.py", line 248, in wrapper
2023-09-13T19:56:08,233     return func(self, options, args)
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2023-09-13T19:56:08,233     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2023-09-13T19:56:08,233                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2023-09-13T19:56:08,233     result = self._result = resolver.resolve(
2023-09-13T19:56:08,233                             ^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
2023-09-13T19:56:08,233     state = resolution.resolve(requirements, max_rounds=max_rounds)
2023-09-13T19:56:08,233             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve
2023-09-13T19:56:08,233     self._add_to_criteria(self.state.criteria, r, parent=None)
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2023-09-13T19:56:08,233     if not criterion.candidates:
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__
2023-09-13T19:56:08,233     return bool(self._sequence)
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2023-09-13T19:56:08,233     return any(self)
2023-09-13T19:56:08,233            ^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2023-09-13T19:56:08,233     return (c for c in iterator if id(c) not in self._incompatible_ids)
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2023-09-13T19:56:08,233     candidate = func()
2023-09-13T19:56:08,233                 ^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2023-09-13T19:56:08,233     self._link_candidate_cache[link] = LinkCandidate(
2023-09-13T19:56:08,233                                        ^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 293, in __init__
2023-09-13T19:56:08,233     super().__init__(
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 156, in __init__
2023-09-13T19:56:08,233     self.dist = self._prepare()
2023-09-13T19:56:08,233                 ^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 225, in _prepare
2023-09-13T19:56:08,233     dist = self._prepare_distribution()
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 304, in _prepare_distribution
2023-09-13T19:56:08,233     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 538, in prepare_linked_requirement
2023-09-13T19:56:08,233     return self._prepare_linked_requirement(req, parallel_builds)
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 653, in _prepare_linked_requirement
2023-09-13T19:56:08,233     dist = _get_prepared_distribution(
2023-09-13T19:56:08,233            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2023-09-13T19:56:08,233     abstract_dist.prepare_distribution_metadata(
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/distributions/sdist.py", line 61, in prepare_distribution_metadata
2023-09-13T19:56:08,233     self.req.prepare_metadata()
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/req/req_install.py", line 568, in prepare_metadata
2023-09-13T19:56:08,233     self.metadata_directory = generate_metadata_legacy(
2023-09-13T19:56:08,233                               ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-13T19:56:08,233   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 71, in generate_metadata
2023-09-13T19:56:08,233     raise MetadataGenerationFailed(package_details=details) from error
2023-09-13T19:56:08,233 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2023-09-13T19:56:08,245 Removed demucs==0.0.0 from https://files.pythonhosted.org/packages/80/04/5d0473a2e1261c3789ff6083febb5f797776a42dbbe069691b9cc73c9f10/demucs-0.0.0.tar.gz from build tracker '/tmp/pip-build-tracker-zz8uct01'
2023-09-13T19:56:08,246 Removed build tracker: '/tmp/pip-build-tracker-zz8uct01'