2025-09-08T10:22:03,439 Created temporary directory: /tmp/pip-build-tracker-1tku_796
2025-09-08T10:22:03,440 Initialized build tracking at /tmp/pip-build-tracker-1tku_796
2025-09-08T10:22:03,440 Created build tracker: /tmp/pip-build-tracker-1tku_796
2025-09-08T10:22:03,440 Entered build tracker: /tmp/pip-build-tracker-1tku_796
2025-09-08T10:22:03,441 Created temporary directory: /tmp/pip-wheel-3q33qtnu
2025-09-08T10:22:03,444 Created temporary directory: /tmp/pip-ephem-wheel-cache-ml1j6qdq
2025-09-08T10:22:03,505 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-09-08T10:22:03,507 2 location(s) to search for versions of sender-policy-flattener:
2025-09-08T10:22:03,507 * https://pypi.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,507 * https://www.piwheels.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,508 Fetching project page and analyzing links: https://pypi.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,508 Getting page https://pypi.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,509 Found index url https://pypi.org/simple/
2025-09-08T10:22:03,579 Fetched page https://pypi.org/simple/sender-policy-flattener/ as application/vnd.pypi.simple.v1+json
2025-09-08T10:22:03,582   Found link https://files.pythonhosted.org/packages/6b/7b/949485f89df0967284ee1c187cae7193946a62a955c551a517f2c60983aa/sender_policy_flattener-0.1.0.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.1.0
2025-09-08T10:22:03,582   Found link https://files.pythonhosted.org/packages/99/db/142a704cf3ed00af0b611e1e60ef8ddfed95c8e920af965148b1521778da/sender_policy_flattener-0.1.1.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.1.1
2025-09-08T10:22:03,582   Found link https://files.pythonhosted.org/packages/cf/1b/75cfa80822a96c4a17fc5b71448b7b039ec4f2791dc5941805ac1018dace/sender_policy_flattener-0.1.2.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.1.2
2025-09-08T10:22:03,582   Found link https://files.pythonhosted.org/packages/23/be/d45e5d72b9967d9e6d5f7bf475ace2b0f99f0852843c7bfd222ab088905b/sender_policy_flattener-0.1.3.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.1.3
2025-09-08T10:22:03,583   Found link https://files.pythonhosted.org/packages/44/44/0af2a1971e5ac6fa95e3fd5cbde9c0bd58ed757497a6b8bbd481f4ef5f07/sender_policy_flattener-0.1.4.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.1.4
2025-09-08T10:22:03,583   Found link https://files.pythonhosted.org/packages/68/84/f428a1d12391cda5b9e41cebaa9b2e7696021e1f8c3361089bfd15735f2b/sender_policy_flattener-0.1.5.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.1.5
2025-09-08T10:22:03,583   Found link https://files.pythonhosted.org/packages/b0/5a/2a2bbe8260921bd860bc5d4ccb70a18a05d58e2bde01d053bed09266115d/sender_policy_flattener-0.2.0.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.2.0
2025-09-08T10:22:03,583   Found link https://files.pythonhosted.org/packages/dc/f6/29f459a1358c8f4be04fb4622e0740f2c6f40830f536797783dc8f9a6e0a/sender_policy_flattener-0.2.1.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.2.1
2025-09-08T10:22:03,584   Found link https://files.pythonhosted.org/packages/0c/21/6f5ad6666fad4532953ab940aea3b53a0db6d64047bf62a6a15de666500f/sender_policy_flattener-0.2.2.zip (from https://pypi.org/simple/sender-policy-flattener/), version: 0.2.2
2025-09-08T10:22:03,584   Found link https://files.pythonhosted.org/packages/91/42/a32d29fcc9a615a07ab2ae1c400a6b93a0418fa751097e7124755e8cf554/sender_policy_flattener-0.2.3.tar.gz (from https://pypi.org/simple/sender-policy-flattener/), version: 0.2.3
2025-09-08T10:22:03,584   Found link https://files.pythonhosted.org/packages/50/db/ecb0cf09de8ee92c9e1df66022aad98b2d648ba65223031b6a2be2fa1590/sender_policy_flattener-0.2.4.tar.gz (from https://pypi.org/simple/sender-policy-flattener/), version: 0.2.4
2025-09-08T10:22:03,584   Skipping link: No binaries permitted for sender-policy-flattener: https://files.pythonhosted.org/packages/4b/df/c779000cb04d5dead14536d479ed84e13df97a7f276208a10d7cbd4e4f46/sender_policy_flattener-0.3.0-py3-none-any.whl (from https://pypi.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0)
2025-09-08T10:22:03,585   Found link https://files.pythonhosted.org/packages/51/a8/c4968260a73bc8ac708395d27ffcbc508cf52182d32e06d5285326100997/sender_policy_flattener-0.3.0.tar.gz (from https://pypi.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0), version: 0.3.0
2025-09-08T10:22:03,585   Skipping link: No binaries permitted for sender-policy-flattener: https://files.pythonhosted.org/packages/8a/a8/53ae8021d8c26cad257743668f66836e87982dc372d522c99cfced411923/sender_policy_flattener-0.3.1-py3-none-any.whl (from https://pypi.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0)
2025-09-08T10:22:03,586   Found link https://files.pythonhosted.org/packages/f0/bd/1a6d21d8c99f44bbc51b8c83ee73650808474d72f6fe5e539773bc6e65d1/sender_policy_flattener-0.3.1.tar.gz (from https://pypi.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0), version: 0.3.1
2025-09-08T10:22:03,586   Skipping link: No binaries permitted for sender-policy-flattener: https://files.pythonhosted.org/packages/89/62/71f3d2e244315fa7e4fafc9bc4f9e217789330fc870aaca36d1778a24297/sender_policy_flattener-0.3.2-py3-none-any.whl (from https://pypi.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0)
2025-09-08T10:22:03,586   Found link https://files.pythonhosted.org/packages/d5/84/bf217851e2d3cf1c7a8384b55c1708fb3c15026e8c1cd2c21d6a651bb33c/sender_policy_flattener-0.3.2.tar.gz (from https://pypi.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0), version: 0.3.2
2025-09-08T10:22:03,586 Fetching project page and analyzing links: https://www.piwheels.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,587 Getting page https://www.piwheels.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,587 Found index url https://www.piwheels.org/simple/
2025-09-08T10:22:03,686 Fetched page https://www.piwheels.org/simple/sender-policy-flattener/ as text/html
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.3.2-py3-none-any.whl#sha256=aa9180a8f689a9bfa3b025219f16132af61f8c57026ce18e153df69ca3a4624d (from https://www.piwheels.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0)
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.3.1-py3-none-any.whl#sha256=f37a68898e8876a28063af4d80fb5adccc5c1f943fa8670146c67c8cdefa9e41 (from https://www.piwheels.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0)
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.3.0-py3-none-any.whl#sha256=74b0ec69a13590ea23ba32431595144e999c1a0f1ec3c1d4af783296cf544d78 (from https://www.piwheels.org/simple/sender-policy-flattener/) (requires-python:>=3.6.2,<4.0.0)
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.2.4-py3-none-any.whl#sha256=89d0e42c657de78f94e1317f46ec53006dcd0e98064ac666d85f1b4e38937d9e (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.2.3-py3-none-any.whl#sha256=c7fd4018e6fe09f765e859b4fc5e3854329535ea75455af67ab1dbbee024a92a (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.2.2-py3-none-any.whl#sha256=b2b45545caf25aea21b474393463cc0e709cbd165949f523ab8dbeed026bbaab (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,689   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.2.1-py3-none-any.whl#sha256=c8ee518eb7c1490a564b02ea9ce7e6a4b463fe33274ead84809a74023f47d597 (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,690   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.2.0-py3-none-any.whl#sha256=0ed2d3c8245b7fba01cb430dd3df763e7a3085e544426d1795620bc66a9bddce (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,690   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.1.5-py3-none-any.whl#sha256=d918b82b714e4c04636b5edf0f8fd62771fea268878355ffde0f8eca5ca42f41 (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,690   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.1.4-py3-none-any.whl#sha256=d69c822bdb9121d7bf34d8edda0f418535204d4084cb870237e5d1ae7d593b32 (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,690   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.1.3-py3-none-any.whl#sha256=294ce4c0f3caa941e3f196c99cec42ca7e472a440ec502e68d6bbbe3cbbb36f7 (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,690   Skipping link: No binaries permitted for sender-policy-flattener: https://archive1.piwheels.org/simple/sender-policy-flattener/sender_policy_flattener-0.1.2-py3-none-any.whl#sha256=75796a256542a34ba2ec93e6bf439ae1c8101c33ca4e8fb0e070e65d1b3304af (from https://www.piwheels.org/simple/sender-policy-flattener/)
2025-09-08T10:22:03,690 Skipping link: not a file: https://www.piwheels.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,690 Skipping link: not a file: https://pypi.org/simple/sender-policy-flattener/
2025-09-08T10:22:03,714 Given no hashes to check 1 links for project 'sender-policy-flattener': discarding no candidates
2025-09-08T10:22:03,715 Collecting sender-policy-flattener==0.1.1
2025-09-08T10:22:03,716   Created temporary directory: /tmp/pip-unpack-qrburl7y
2025-09-08T10:22:03,856   Downloading sender_policy_flattener-0.1.1.zip (13 kB)
2025-09-08T10:22:03,873   Added sender-policy-flattener==0.1.1 from https://files.pythonhosted.org/packages/99/db/142a704cf3ed00af0b611e1e60ef8ddfed95c8e920af965148b1521778da/sender_policy_flattener-0.1.1.zip to build tracker '/tmp/pip-build-tracker-1tku_796'
2025-09-08T10:22:03,875   Running setup.py (path:/tmp/pip-wheel-3q33qtnu/sender-policy-flattener_a4350709b29e491ca1e8906713d31f60/setup.py) egg_info for package sender-policy-flattener
2025-09-08T10:22:03,875   Created temporary directory: /tmp/pip-pip-egg-info-xaq6d0nh
2025-09-08T10:22:03,875   Preparing metadata (setup.py): started
2025-09-08T10:22:03,876   Running command python setup.py egg_info
2025-09-08T10:22:04,410   Traceback (most recent call last):
2025-09-08T10:22:04,412     File "<string>", line 2, in <module>
2025-09-08T10:22:04,413       exec(compile('''
2025-09-08T10:22:04,413       ~~~~^^^^^^^^^^^^
2025-09-08T10:22:04,413       # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-08T10:22:04,413       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,413       ...<32 lines>...
2025-09-08T10:22:04,413       exec(compile(setup_py_code, filename, "exec"))
2025-09-08T10:22:04,413       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,414       ''' % ('/tmp/pip-wheel-3q33qtnu/sender-policy-flattener_a4350709b29e491ca1e8906713d31f60/setup.py',), "<pip-setuptools-caller>", "exec"))
2025-09-08T10:22:04,414       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,414     File "<pip-setuptools-caller>", line 35, in <module>
2025-09-08T10:22:04,414     File "/tmp/pip-wheel-3q33qtnu/sender-policy-flattener_a4350709b29e491ca1e8906713d31f60/setup.py", line 14, in <module>
2025-09-08T10:22:04,414       long_description=readme(),
2025-09-08T10:22:04,414                        ~~~~~~^^
2025-09-08T10:22:04,414     File "/tmp/pip-wheel-3q33qtnu/sender-policy-flattener_a4350709b29e491ca1e8906713d31f60/setup.py", line 6, in readme
2025-09-08T10:22:04,414       with open('README.md') as f:
2025-09-08T10:22:04,415            ~~~~^^^^^^^^^^^^^
2025-09-08T10:22:04,415   FileNotFoundError: [Errno 2] No such file or directory: 'README.md'
2025-09-08T10:22:04,498   ERROR: python setup.py egg_info exited with 1
2025-09-08T10:22:04,510   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2025-09-08T10:22:04,510   exec(compile('"'"''"'"''"'"'
2025-09-08T10:22:04,510   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-08T10:22:04,510   #
2025-09-08T10:22:04,510   # - It imports setuptools before invoking setup.py, to enable projects that directly
2025-09-08T10:22:04,510   #   import from `distutils.core` to work with newer packaging standards.
2025-09-08T10:22:04,510   # - It provides a clear error message when setuptools is not installed.
2025-09-08T10:22:04,510   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2025-09-08T10:22:04,510   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2025-09-08T10:22:04,510   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2025-09-08T10:22:04,510   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2025-09-08T10:22:04,510   import os, sys, tokenize, traceback
2025-09-08T10:22:04,510   
2025-09-08T10:22:04,510   try:
2025-09-08T10:22:04,510       import setuptools
2025-09-08T10:22:04,510   except ImportError:
2025-09-08T10:22:04,510       print(
2025-09-08T10:22:04,510           "ERROR: Can not execute `setup.py` since setuptools failed to import in "
2025-09-08T10:22:04,510           "the build environment with exception:",
2025-09-08T10:22:04,510           file=sys.stderr,
2025-09-08T10:22:04,510       )
2025-09-08T10:22:04,510       traceback.print_exc()
2025-09-08T10:22:04,510       sys.exit(1)
2025-09-08T10:22:04,510   
2025-09-08T10:22:04,510   __file__ = %r
2025-09-08T10:22:04,510   sys.argv[0] = __file__
2025-09-08T10:22:04,510   
2025-09-08T10:22:04,510   if os.path.exists(__file__):
2025-09-08T10:22:04,510       filename = __file__
2025-09-08T10:22:04,510       with tokenize.open(__file__) as f:
2025-09-08T10:22:04,510           setup_py_code = f.read()
2025-09-08T10:22:04,510   else:
2025-09-08T10:22:04,510       filename = "<auto-generated setuptools caller>"
2025-09-08T10:22:04,510       setup_py_code = "from setuptools import setup; setup()"
2025-09-08T10:22:04,510   
2025-09-08T10:22:04,510   exec(compile(setup_py_code, filename, "exec"))
2025-09-08T10:22:04,510   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-3q33qtnu/sender-policy-flattener_a4350709b29e491ca1e8906713d31f60/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-xaq6d0nh[/]
2025-09-08T10:22:04,510   [bold magenta]cwd[/]: /tmp/pip-wheel-3q33qtnu/sender-policy-flattener_a4350709b29e491ca1e8906713d31f60/
2025-09-08T10:22:04,511   Preparing metadata (setup.py): finished with status 'error'
2025-09-08T10:22:04,511 ERROR: metadata generation failed
2025-09-08T10:22:04,516 Exception information:
2025-09-08T10:22:04,516 Traceback (most recent call last):
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata
2025-09-08T10:22:04,516     call_subprocess(
2025-09-08T10:22:04,516     ~~~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         args,
2025-09-08T10:22:04,516         ^^^^^
2025-09-08T10:22:04,516     ...<2 lines>...
2025-09-08T10:22:04,516         spinner=spinner,
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess
2025-09-08T10:22:04,516     raise error
2025-09-08T10:22:04,516 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2025-09-08T10:22:04,516 
2025-09-08T10:22:04,516 The above exception was the direct cause of the following exception:
2025-09-08T10:22:04,516 
2025-09-08T10:22:04,516 Traceback (most recent call last):
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
2025-09-08T10:22:04,516     status = _inner_run()
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
2025-09-08T10:22:04,516     return self.run(options, args)
2025-09-08T10:22:04,516            ~~~~~~~~^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper
2025-09-08T10:22:04,516     return func(self, options, args)
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2025-09-08T10:22:04,516     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve
2025-09-08T10:22:04,516     result = self._result = resolver.resolve(
2025-09-08T10:22:04,516                             ~~~~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         collected.requirements, max_rounds=limit_how_complex_resolution_can_be
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve
2025-09-08T10:22:04,516     state = resolution.resolve(requirements, max_rounds=max_rounds)
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve
2025-09-08T10:22:04,516     self._add_to_criteria(self.state.criteria, r, parent=None)
2025-09-08T10:22:04,516     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria
2025-09-08T10:22:04,516     if not criterion.candidates:
2025-09-08T10:22:04,516            ^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__
2025-09-08T10:22:04,516     return bool(self._sequence)
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__
2025-09-08T10:22:04,516     self._bool = any(self)
2025-09-08T10:22:04,516                  ~~~^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in <genexpr>
2025-09-08T10:22:04,516     return (c for c in iterator if id(c) not in self._incompatible_ids)
2025-09-08T10:22:04,516                        ^^^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built
2025-09-08T10:22:04,516     candidate = func()
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link
2025-09-08T10:22:04,516     base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
2025-09-08T10:22:04,516                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         link, template, name, version
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link
2025-09-08T10:22:04,516     self._link_candidate_cache[link] = LinkCandidate(
2025-09-08T10:22:04,516                                        ~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         link,
2025-09-08T10:22:04,516         ^^^^^
2025-09-08T10:22:04,516     ...<3 lines>...
2025-09-08T10:22:04,516         version=version,
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__
2025-09-08T10:22:04,516     super().__init__(
2025-09-08T10:22:04,516     ~~~~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         link=link,
2025-09-08T10:22:04,516         ^^^^^^^^^^
2025-09-08T10:22:04,516     ...<4 lines>...
2025-09-08T10:22:04,516         version=version,
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__
2025-09-08T10:22:04,516     self.dist = self._prepare()
2025-09-08T10:22:04,516                 ~~~~~~~~~~~~~^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare
2025-09-08T10:22:04,516     dist = self._prepare_distribution()
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution
2025-09-08T10:22:04,516     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2025-09-08T10:22:04,516            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement
2025-09-08T10:22:04,516     return self._prepare_linked_requirement(req, parallel_builds)
2025-09-08T10:22:04,516            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement
2025-09-08T10:22:04,516     dist = _get_prepared_distribution(
2025-09-08T10:22:04,516         req,
2025-09-08T10:22:04,516     ...<3 lines>...
2025-09-08T10:22:04,516         self.check_build_deps,
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2025-09-08T10:22:04,516     abstract_dist.prepare_distribution_metadata(
2025-09-08T10:22:04,516     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         finder, build_isolation, check_build_deps
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata
2025-09-08T10:22:04,516     self.req.prepare_metadata()
2025-09-08T10:22:04,516     ~~~~~~~~~~~~~~~~~~~~~~~~~^^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata
2025-09-08T10:22:04,516     self.metadata_directory = generate_metadata_legacy(
2025-09-08T10:22:04,516                               ~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-08T10:22:04,516         build_env=self.build_env,
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     ...<3 lines>...
2025-09-08T10:22:04,516         details=details,
2025-09-08T10:22:04,516         ^^^^^^^^^^^^^^^^
2025-09-08T10:22:04,516     )
2025-09-08T10:22:04,516     ^
2025-09-08T10:22:04,516   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata
2025-09-08T10:22:04,516     raise MetadataGenerationFailed(package_details=details) from error
2025-09-08T10:22:04,516 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2025-09-08T10:22:04,537 Removed sender-policy-flattener==0.1.1 from https://files.pythonhosted.org/packages/99/db/142a704cf3ed00af0b611e1e60ef8ddfed95c8e920af965148b1521778da/sender_policy_flattener-0.1.1.zip from build tracker '/tmp/pip-build-tracker-1tku_796'
2025-09-08T10:22:04,537 Removed build tracker: '/tmp/pip-build-tracker-1tku_796'