2025-09-08T00:36:43,887 Created temporary directory: /tmp/pip-build-tracker-wm64kdc4
2025-09-08T00:36:43,887 Initialized build tracking at /tmp/pip-build-tracker-wm64kdc4
2025-09-08T00:36:43,887 Created build tracker: /tmp/pip-build-tracker-wm64kdc4
2025-09-08T00:36:43,887 Entered build tracker: /tmp/pip-build-tracker-wm64kdc4
2025-09-08T00:36:43,888 Created temporary directory: /tmp/pip-wheel-0jhh8l7c
2025-09-08T00:36:43,891 Created temporary directory: /tmp/pip-ephem-wheel-cache-ik1krrl5
2025-09-08T00:36:43,948 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-09-08T00:36:43,950 2 location(s) to search for versions of pymlab:
2025-09-08T00:36:43,950 * https://pypi.org/simple/pymlab/
2025-09-08T00:36:43,950 * https://www.piwheels.org/simple/pymlab/
2025-09-08T00:36:43,951 Fetching project page and analyzing links: https://pypi.org/simple/pymlab/
2025-09-08T00:36:43,951 Getting page https://pypi.org/simple/pymlab/
2025-09-08T00:36:43,952 Found index url https://pypi.org/simple/
2025-09-08T00:36:44,023 Fetched page https://pypi.org/simple/pymlab/ as application/vnd.pypi.simple.v1+json
2025-09-08T00:36:44,025   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/70/be/de178e625eca93d24f4a570c0bdbb45bd78d8e8044ac6c25f4e754a54707/pymlab-0.1-py2.7.egg (from https://pypi.org/simple/pymlab/)
2025-09-08T00:36:44,025   Found link https://files.pythonhosted.org/packages/f4/a0/9fe842fc50ab0e084ba191dbfc4e454fd910d938eddf5b749253d6ce659d/pymlab-0.1.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.1
2025-09-08T00:36:44,025   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/e9/ff/b0dc144703c3874190adaeffa7aaec088a64963fa066485903c1ba4590f5/pymlab-0.2-py2.7.egg (from https://pypi.org/simple/pymlab/)
2025-09-08T00:36:44,026   Found link https://files.pythonhosted.org/packages/55/f3/d2c9a6b35c9115859c5ad215108af459ae7e00785595e6445203ccf46cac/pymlab-0.2.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.2
2025-09-08T00:36:44,026   Found link https://files.pythonhosted.org/packages/64/47/0493209b7d2456aae03755f852d9824c17bf4d6e454f178f15008ef62af1/pymlab-0.3.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.3
2025-09-08T00:36:44,026   Found link https://files.pythonhosted.org/packages/77/d9/7da8ce6304f3b7e5b0381d4d5c134e2fe418e671f5b8f735a119a0fd6974/pymlab-0.4.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.4
2025-09-08T00:36:44,026   Found link https://files.pythonhosted.org/packages/e0/62/6959bed204a800679b9cfe8ef78dc51dc102fb6a8e388bcd0f74b5dcc240/pymlab-0.5.dev202203081520.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202203081520
2025-09-08T00:36:44,027   Found link https://files.pythonhosted.org/packages/ad/03/3576423763d5621d655656e5a7f221780cf740e3ef74e95c24dd04a1136d/pymlab-0.5.dev202203290804.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202203290804
2025-09-08T00:36:44,027   Found link https://files.pythonhosted.org/packages/45/4a/823f35303606822decfdcab8ad99b5fbf46cd747c14dedbd0555f06ff03b/pymlab-0.5.dev202209022220.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202209022220
2025-09-08T00:36:44,027   Found link https://files.pythonhosted.org/packages/15/7d/10185914b23936bb21b890a5e5e897ff6174fa1a16780c8be99a1be68501/pymlab-0.5.dev202211161435.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202211161435
2025-09-08T00:36:44,027   Found link https://files.pythonhosted.org/packages/9a/1e/453d9c91d100dca950404fe6759076bb021b9cfa5a5cf5b1911a6e34b210/pymlab-0.5.dev202211161442.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202211161442
2025-09-08T00:36:44,027   Found link https://files.pythonhosted.org/packages/c1/3b/f5652352370bc6873c96b32f35b1ebac8cef2fb61fbbe2e483a050049391/pymlab-0.5.dev202212172202.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202212172202
2025-09-08T00:36:44,028   Found link https://files.pythonhosted.org/packages/f6/85/855f1e48ea47439cf6b190554089acae605e96e02b84a9457ee6e3765237/pymlab-0.5.dev202212182151.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202212182151
2025-09-08T00:36:44,028   Found link https://files.pythonhosted.org/packages/2b/2e/a001cb4697f4d24707b45c7e303235ec253fe5d3d7e086bbf49e0ebd50f7/pymlab-0.5.dev202306132244.tar.gz (from https://pypi.org/simple/pymlab/), version: 0.5.dev202306132244
2025-09-08T00:36:44,028 Fetching project page and analyzing links: https://www.piwheels.org/simple/pymlab/
2025-09-08T00:36:44,029 Getting page https://www.piwheels.org/simple/pymlab/
2025-09-08T00:36:44,029 Found index url https://www.piwheels.org/simple/
2025-09-08T00:36:44,119 Fetched page https://www.piwheels.org/simple/pymlab/ as text/html
2025-09-08T00:36:44,121   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202306132244-py3-none-any.whl#sha256=382d2458d6d7ab74ce781bc76875da3edba0e0f17f13be01ae039a16b97dfdc2 (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,121   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202212182151-py3-none-any.whl#sha256=7138fdf2cb20ca3d29d01d7ab6d7386a93f57f71370f3997a595a47c37fb8c52 (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,121   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202212172202-py3-none-any.whl#sha256=d887fd1d6914a97b018447a57b3f56d7d86d65b441a310135bf2e575bc306edf (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,121   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202211161442-py3-none-any.whl#sha256=869403977c5c2963e2044d1f6d564a1eca679d5eb57dff3e29a9559a0584daff (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,121   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202211161435-py3-none-any.whl#sha256=f242ebb0bbcb57baf20a1ce52d39b6bd487e4bc8939ae47dd83fa7e76da8683b (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,122   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202209022220-py3-none-any.whl#sha256=f3543d98a1c55e8baddef0b29155536360369a6730062f0055a34edc9073ce6b (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,122   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202203290804-py3-none-any.whl#sha256=025afa89a11af1117fee3e0a06fcedd46ba3d2eee2708b6b5f8f259c04e3078d (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,122   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.5.dev202203081520-py3-none-any.whl#sha256=400792703092ec911cea240c24a1e9270bbb68ed8b22b041e80397610f0e1666 (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,122   Skipping link: No binaries permitted for pymlab: https://archive1.piwheels.org/simple/pymlab/pymlab-0.4-py3-none-any.whl#sha256=c4848ab5efeca6ceac67e16185c78920c41c1b31ecc984da2dab21a159a37d6d (from https://www.piwheels.org/simple/pymlab/)
2025-09-08T00:36:44,122 Skipping link: not a file: https://www.piwheels.org/simple/pymlab/
2025-09-08T00:36:44,122 Skipping link: not a file: https://pypi.org/simple/pymlab/
2025-09-08T00:36:44,147 Given no hashes to check 1 links for project 'pymlab': discarding no candidates
2025-09-08T00:36:44,148 Collecting pymlab==0.3
2025-09-08T00:36:44,150   Created temporary directory: /tmp/pip-unpack-kb1flyzl
2025-09-08T00:36:44,493   Downloading pymlab-0.3.tar.gz (34 kB)
2025-09-08T00:36:44,537   Added pymlab==0.3 from https://files.pythonhosted.org/packages/64/47/0493209b7d2456aae03755f852d9824c17bf4d6e454f178f15008ef62af1/pymlab-0.3.tar.gz to build tracker '/tmp/pip-build-tracker-wm64kdc4'
2025-09-08T00:36:44,538   Running setup.py (path:/tmp/pip-wheel-0jhh8l7c/pymlab_aed3aa80fe674e48a8b40af4bd90a50e/setup.py) egg_info for package pymlab
2025-09-08T00:36:44,538   Created temporary directory: /tmp/pip-pip-egg-info-gqz41nmg
2025-09-08T00:36:44,538   Preparing metadata (setup.py): started
2025-09-08T00:36:44,539   Running command python setup.py egg_info
2025-09-08T00:36:45,047   Traceback (most recent call last):
2025-09-08T00:36:45,049     File "<string>", line 2, in <module>
2025-09-08T00:36:45,049       exec(compile('''
2025-09-08T00:36:45,049       ~~~~^^^^^^^^^^^^
2025-09-08T00:36:45,049       # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-08T00:36:45,049       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,049       ...<32 lines>...
2025-09-08T00:36:45,049       exec(compile(setup_py_code, filename, "exec"))
2025-09-08T00:36:45,050       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,050       ''' % ('/tmp/pip-wheel-0jhh8l7c/pymlab_aed3aa80fe674e48a8b40af4bd90a50e/setup.py',), "<pip-setuptools-caller>", "exec"))
2025-09-08T00:36:45,050       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,050     File "<pip-setuptools-caller>", line 35, in <module>
2025-09-08T00:36:45,050     File "/tmp/pip-wheel-0jhh8l7c/pymlab_aed3aa80fe674e48a8b40af4bd90a50e/setup.py", line 12, in <module>
2025-09-08T00:36:45,050       import pymlab
2025-09-08T00:36:45,050     File "/tmp/pip-wheel-0jhh8l7c/pymlab_aed3aa80fe674e48a8b40af4bd90a50e/src/pymlab/__init__.py", line 53
2025-09-08T00:36:45,050       	print __doc__
2025-09-08T00:36:45,051       	^^^^^^^^^^^^^
2025-09-08T00:36:45,051   SyntaxError: Missing parentheses in call to 'print'. Did you mean print(...)?
2025-09-08T00:36:45,135   ERROR: python setup.py egg_info exited with 1
2025-09-08T00:36:45,148   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2025-09-08T00:36:45,148   exec(compile('"'"''"'"''"'"'
2025-09-08T00:36:45,148   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-08T00:36:45,148   #
2025-09-08T00:36:45,148   # - It imports setuptools before invoking setup.py, to enable projects that directly
2025-09-08T00:36:45,148   #   import from `distutils.core` to work with newer packaging standards.
2025-09-08T00:36:45,148   # - It provides a clear error message when setuptools is not installed.
2025-09-08T00:36:45,148   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2025-09-08T00:36:45,148   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2025-09-08T00:36:45,148   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2025-09-08T00:36:45,148   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2025-09-08T00:36:45,148   import os, sys, tokenize, traceback
2025-09-08T00:36:45,148   
2025-09-08T00:36:45,148   try:
2025-09-08T00:36:45,148       import setuptools
2025-09-08T00:36:45,148   except ImportError:
2025-09-08T00:36:45,148       print(
2025-09-08T00:36:45,148           "ERROR: Can not execute `setup.py` since setuptools failed to import in "
2025-09-08T00:36:45,148           "the build environment with exception:",
2025-09-08T00:36:45,148           file=sys.stderr,
2025-09-08T00:36:45,148       )
2025-09-08T00:36:45,148       traceback.print_exc()
2025-09-08T00:36:45,148       sys.exit(1)
2025-09-08T00:36:45,148   
2025-09-08T00:36:45,148   __file__ = %r
2025-09-08T00:36:45,148   sys.argv[0] = __file__
2025-09-08T00:36:45,148   
2025-09-08T00:36:45,148   if os.path.exists(__file__):
2025-09-08T00:36:45,148       filename = __file__
2025-09-08T00:36:45,148       with tokenize.open(__file__) as f:
2025-09-08T00:36:45,148           setup_py_code = f.read()
2025-09-08T00:36:45,148   else:
2025-09-08T00:36:45,148       filename = "<auto-generated setuptools caller>"
2025-09-08T00:36:45,148       setup_py_code = "from setuptools import setup; setup()"
2025-09-08T00:36:45,148   
2025-09-08T00:36:45,148   exec(compile(setup_py_code, filename, "exec"))
2025-09-08T00:36:45,148   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-0jhh8l7c/pymlab_aed3aa80fe674e48a8b40af4bd90a50e/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-gqz41nmg[/]
2025-09-08T00:36:45,148   [bold magenta]cwd[/]: /tmp/pip-wheel-0jhh8l7c/pymlab_aed3aa80fe674e48a8b40af4bd90a50e/
2025-09-08T00:36:45,148   Preparing metadata (setup.py): finished with status 'error'
2025-09-08T00:36:45,149 ERROR: metadata generation failed
2025-09-08T00:36:45,155 Exception information:
2025-09-08T00:36:45,155 Traceback (most recent call last):
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata
2025-09-08T00:36:45,155     call_subprocess(
2025-09-08T00:36:45,155     ~~~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         args,
2025-09-08T00:36:45,155         ^^^^^
2025-09-08T00:36:45,155     ...<2 lines>...
2025-09-08T00:36:45,155         spinner=spinner,
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess
2025-09-08T00:36:45,155     raise error
2025-09-08T00:36:45,155 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2025-09-08T00:36:45,155 
2025-09-08T00:36:45,155 The above exception was the direct cause of the following exception:
2025-09-08T00:36:45,155 
2025-09-08T00:36:45,155 Traceback (most recent call last):
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
2025-09-08T00:36:45,155     status = _inner_run()
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
2025-09-08T00:36:45,155     return self.run(options, args)
2025-09-08T00:36:45,155            ~~~~~~~~^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper
2025-09-08T00:36:45,155     return func(self, options, args)
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2025-09-08T00:36:45,155     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve
2025-09-08T00:36:45,155     result = self._result = resolver.resolve(
2025-09-08T00:36:45,155                             ~~~~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         collected.requirements, max_rounds=limit_how_complex_resolution_can_be
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve
2025-09-08T00:36:45,155     state = resolution.resolve(requirements, max_rounds=max_rounds)
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve
2025-09-08T00:36:45,155     self._add_to_criteria(self.state.criteria, r, parent=None)
2025-09-08T00:36:45,155     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria
2025-09-08T00:36:45,155     if not criterion.candidates:
2025-09-08T00:36:45,155            ^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__
2025-09-08T00:36:45,155     return bool(self._sequence)
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__
2025-09-08T00:36:45,155     self._bool = any(self)
2025-09-08T00:36:45,155                  ~~~^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in <genexpr>
2025-09-08T00:36:45,155     return (c for c in iterator if id(c) not in self._incompatible_ids)
2025-09-08T00:36:45,155                        ^^^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built
2025-09-08T00:36:45,155     candidate = func()
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link
2025-09-08T00:36:45,155     base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
2025-09-08T00:36:45,155                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         link, template, name, version
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link
2025-09-08T00:36:45,155     self._link_candidate_cache[link] = LinkCandidate(
2025-09-08T00:36:45,155                                        ~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         link,
2025-09-08T00:36:45,155         ^^^^^
2025-09-08T00:36:45,155     ...<3 lines>...
2025-09-08T00:36:45,155         version=version,
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__
2025-09-08T00:36:45,155     super().__init__(
2025-09-08T00:36:45,155     ~~~~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         link=link,
2025-09-08T00:36:45,155         ^^^^^^^^^^
2025-09-08T00:36:45,155     ...<4 lines>...
2025-09-08T00:36:45,155         version=version,
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__
2025-09-08T00:36:45,155     self.dist = self._prepare()
2025-09-08T00:36:45,155                 ~~~~~~~~~~~~~^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare
2025-09-08T00:36:45,155     dist = self._prepare_distribution()
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution
2025-09-08T00:36:45,155     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2025-09-08T00:36:45,155            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement
2025-09-08T00:36:45,155     return self._prepare_linked_requirement(req, parallel_builds)
2025-09-08T00:36:45,155            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement
2025-09-08T00:36:45,155     dist = _get_prepared_distribution(
2025-09-08T00:36:45,155         req,
2025-09-08T00:36:45,155     ...<3 lines>...
2025-09-08T00:36:45,155         self.check_build_deps,
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2025-09-08T00:36:45,155     abstract_dist.prepare_distribution_metadata(
2025-09-08T00:36:45,155     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         finder, build_isolation, check_build_deps
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata
2025-09-08T00:36:45,155     self.req.prepare_metadata()
2025-09-08T00:36:45,155     ~~~~~~~~~~~~~~~~~~~~~~~~~^^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata
2025-09-08T00:36:45,155     self.metadata_directory = generate_metadata_legacy(
2025-09-08T00:36:45,155                               ~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-08T00:36:45,155         build_env=self.build_env,
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     ...<3 lines>...
2025-09-08T00:36:45,155         details=details,
2025-09-08T00:36:45,155         ^^^^^^^^^^^^^^^^
2025-09-08T00:36:45,155     )
2025-09-08T00:36:45,155     ^
2025-09-08T00:36:45,155   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata
2025-09-08T00:36:45,155     raise MetadataGenerationFailed(package_details=details) from error
2025-09-08T00:36:45,155 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2025-09-08T00:36:45,177 Removed pymlab==0.3 from https://files.pythonhosted.org/packages/64/47/0493209b7d2456aae03755f852d9824c17bf4d6e454f178f15008ef62af1/pymlab-0.3.tar.gz from build tracker '/tmp/pip-build-tracker-wm64kdc4'
2025-09-08T00:36:45,177 Removed build tracker: '/tmp/pip-build-tracker-wm64kdc4'