2025-09-09T07:39:15,141 Created temporary directory: /tmp/pip-build-tracker-1j12s8j3 2025-09-09T07:39:15,141 Initialized build tracking at /tmp/pip-build-tracker-1j12s8j3 2025-09-09T07:39:15,141 Created build tracker: /tmp/pip-build-tracker-1j12s8j3 2025-09-09T07:39:15,142 Entered build tracker: /tmp/pip-build-tracker-1j12s8j3 2025-09-09T07:39:15,142 Created temporary directory: /tmp/pip-wheel-22yg7xb2 2025-09-09T07:39:15,145 Created temporary directory: /tmp/pip-ephem-wheel-cache-xegza3re 2025-09-09T07:39:15,203 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-09-09T07:39:15,205 2 location(s) to search for versions of jupyterlab-pyflyby: 2025-09-09T07:39:15,205 * https://pypi.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,205 * https://www.piwheels.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,206 Fetching project page and analyzing links: https://pypi.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,206 Getting page https://pypi.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,207 Found index url https://pypi.org/simple/ 2025-09-09T07:39:15,353 Fetched page https://pypi.org/simple/jupyterlab-pyflyby/ as application/vnd.pypi.simple.v1+json 2025-09-09T07:39:15,361 Found link https://files.pythonhosted.org/packages/3d/c1/1231cb8345cab8b1d9d61f3dfdb48d30088ff9c10a2ce4aea0e586b3f752/jupyterlab_pyflyby-3.0.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/), version: 3.0.0 2025-09-09T07:39:15,362 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/70/7e/4df7dc545f165cde0d831d0ca517d2b8cae65775acb5886cc550eebf1c23/jupyterlab_pyflyby-3.0.1-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) 2025-09-09T07:39:15,362 Found link https://files.pythonhosted.org/packages/f0/0d/852475c7bf372ca337473af5495b871499220d58cffad40d166be9ae866f/jupyterlab_pyflyby-3.0.1.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/), version: 3.0.1 2025-09-09T07:39:15,363 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/f5/95/bc724807147a46948c4000095193ec717c46bd4fccf6611258c737240705/jupyterlab_pyflyby-4.0.0-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,364 Found link https://files.pythonhosted.org/packages/05/13/56cbbde4b60e892dcada02d9fe443fe24b419b8857be7ff65a0359926c7d/jupyterlab_pyflyby-4.0.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7), version: 4.0.0 2025-09-09T07:39:15,364 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/ff/0a/61e8beb168e6508a25535cbf70b48e12d67179e77a605035a17d5d3649e6/jupyterlab_pyflyby-4.1.0-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,365 Found link https://files.pythonhosted.org/packages/f9/1a/86477bfe23e23b7841c43c91fadb59df6f6fa94ca41f916eb0015f089c71/jupyterlab_pyflyby-4.1.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7), version: 4.1.0 2025-09-09T07:39:15,365 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/b0/f3/613f42bd7f9521fe349e871cff512b1375c79346813ab28bd1a1a173cf79/jupyterlab_pyflyby-4.1.1-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,366 Found link https://files.pythonhosted.org/packages/59/63/4aad2e9332f894d7a9fa0b075bd2ce8637f8b22e32197343321398e1801a/jupyterlab_pyflyby-4.1.1.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7), version: 4.1.1 2025-09-09T07:39:15,366 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/26/4c/2421b988dd5fc8d2d9072f9776a562507761625b5340abc62751acaa1a9b/jupyterlab_pyflyby-4.2.0-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,366 Found link https://files.pythonhosted.org/packages/e7/aa/2611e9865e6ee6740991f0ae109134396b9836330e5e319d04b84be1c2b7/jupyterlab_pyflyby-4.2.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7), version: 4.2.0 2025-09-09T07:39:15,367 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/04/c8/cd1579c5c29032dcdbc87a13f876a9c4ba4ca8cd9bdeedd8cca2567f6d8e/jupyterlab_pyflyby-4.3.0-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,367 Found link https://files.pythonhosted.org/packages/5f/34/0394c822e1e8167d318cfe1a5b7e2a0b20ced98b3846e297e7f17040ea93/jupyterlab_pyflyby-4.3.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7), version: 4.3.0 2025-09-09T07:39:15,368 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/8c/96/e92da6c96678feaf7a0f67bf66de933ae7da1e89ebd24fd5e9b225917476/jupyterlab_pyflyby-4.3.1-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,368 Found link https://files.pythonhosted.org/packages/03/b2/c18c17a5a8f650e45b6db0c0f8177e1f2253f6254f3fb5de325805aa1721/jupyterlab_pyflyby-4.3.1.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7), version: 4.3.1 2025-09-09T07:39:15,369 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/3b/d7/f6dd9d957e76e8390996b0c3cf8df99cadf4a3c3235de2a792b5c1665c23/jupyterlab_pyflyby-5.0.0-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,370 Found link https://files.pythonhosted.org/packages/78/6f/633076dad741fb713df230544551ea7830cbb3972d87a046b4d83c213829/jupyterlab_pyflyby-5.0.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8), version: 5.0.0 2025-09-09T07:39:15,370 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/eb/74/14357d9b7546d83e5673a4a3fa6d23f00bae8792ed95158338530e92fd36/jupyterlab_pyflyby-5.1.0-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,371 Found link https://files.pythonhosted.org/packages/b5/44/6534c67ec39fac4b5ac52cb96116c730f143d13be2648b90efd7c155ce32/jupyterlab_pyflyby-5.1.0.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8), version: 5.1.0 2025-09-09T07:39:15,371 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/91/41/199f44d238f0263615fe885e7ec87632a079d455c123edaef6b1553b3c53/jupyterlab_pyflyby-5.1.1-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,371 Found link https://files.pythonhosted.org/packages/c1/ad/57dec5b2ac19ac263e42be0470eb49eeefaf0c4c2c2f4529ad2803e95050/jupyterlab_pyflyby-5.1.1.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8), version: 5.1.1 2025-09-09T07:39:15,371 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/0e/17/85d7ace48e8eccaae5e86eab1c992c24658622f1dc0a07c3dfc1628b9155/jupyterlab_pyflyby-5.1.2-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,372 Found link https://files.pythonhosted.org/packages/5f/1c/036f2e50cdaf9fc959cd115a567e4372ab2af9da7c298551f3acccff5ad4/jupyterlab_pyflyby-5.1.2.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8), version: 5.1.2 2025-09-09T07:39:15,372 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://files.pythonhosted.org/packages/2e/7d/ea2b4f845506a788a5e098d3f09bd1e221b40c6ef39e1ad3f5d13db486a1/jupyterlab_pyflyby-5.1.3-py3-none-any.whl (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,372 Found link https://files.pythonhosted.org/packages/50/a2/ef934e18fb81bc4980beb3a1522faadffe62b33d537fd4ccf277fb11b908/jupyterlab_pyflyby-5.1.3.tar.gz (from https://pypi.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8), version: 5.1.3 2025-09-09T07:39:15,372 Fetching project page and analyzing links: https://www.piwheels.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,372 Getting page https://www.piwheels.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,373 Found index url https://www.piwheels.org/simple/ 2025-09-09T07:39:15,469 Fetched page https://www.piwheels.org/simple/jupyterlab-pyflyby/ as text/html 2025-09-09T07:39:15,471 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-5.1.3-py3-none-any.whl#sha256=36211233f04b31b9b10e79c9158f89fb01e16bfe63fa1d115279a8de166a34b1 (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,471 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-5.1.2-py3-none-any.whl#sha256=ae20cafce83c6704ea069e80edb8eaebb5a7c5e3bda30aee253ead8d20bbb6ef (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,471 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-5.1.1-py3-none-any.whl#sha256=139cf507767cb8e27a2ea0e5d109a6438b761720ceeee2a8c4228be63dd6cabc (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,471 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-5.1.0-py3-none-any.whl#sha256=c46d0bebed9c25e94b4fefe738c1c40993a9546d35fd0ea88212c900cb9c884e (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,472 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-5.0.0-py3-none-any.whl#sha256=7ec34f99ef8d3ebbb9379919019aaedff90745271193067b286994a0c5784523 (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.8) 2025-09-09T07:39:15,472 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-4.0.0-py3-none-any.whl#sha256=b40f79c40dcb5a7233f46e057cd32b3bd832449bfc82fa381b9b4667e12ddfea (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) (requires-python:>=3.7) 2025-09-09T07:39:15,472 Skipping link: No binaries permitted for jupyterlab-pyflyby: https://archive1.piwheels.org/simple/jupyterlab-pyflyby/jupyterlab_pyflyby-3.0.1-py3-none-any.whl#sha256=ea0aea0cedad5348a7dc913972fd157ff3682362c09be2cc58e5918bda0e77d4 (from https://www.piwheels.org/simple/jupyterlab-pyflyby/) 2025-09-09T07:39:15,472 Skipping link: not a file: https://www.piwheels.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,472 Skipping link: not a file: https://pypi.org/simple/jupyterlab-pyflyby/ 2025-09-09T07:39:15,498 Given no hashes to check 1 links for project 'jupyterlab-pyflyby': discarding no candidates 2025-09-09T07:39:15,499 Collecting jupyterlab-pyflyby==3.0.0 2025-09-09T07:39:15,501 Created temporary directory: /tmp/pip-unpack-_7r40qna 2025-09-09T07:39:15,638 Downloading jupyterlab_pyflyby-3.0.0.tar.gz (9.5 kB) 2025-09-09T07:39:15,662 Added jupyterlab-pyflyby==3.0.0 from https://files.pythonhosted.org/packages/3d/c1/1231cb8345cab8b1d9d61f3dfdb48d30088ff9c10a2ce4aea0e586b3f752/jupyterlab_pyflyby-3.0.0.tar.gz to build tracker '/tmp/pip-build-tracker-1j12s8j3' 2025-09-09T07:39:15,663 Running setup.py (path:/tmp/pip-wheel-22yg7xb2/jupyterlab-pyflyby_c3f4f0c472314509ab68dcce3894eae6/setup.py) egg_info for package jupyterlab-pyflyby 2025-09-09T07:39:15,664 Created temporary directory: /tmp/pip-pip-egg-info-dw__bwdn 2025-09-09T07:39:15,664 Preparing metadata (setup.py): started 2025-09-09T07:39:15,665 Running command python setup.py egg_info 2025-09-09T07:39:16,183 Traceback (most recent call last): 2025-09-09T07:39:16,184 File "", line 2, in 2025-09-09T07:39:16,184 exec(compile(''' 2025-09-09T07:39:16,184 ~~~~^^^^^^^^^^^^ 2025-09-09T07:39:16,184 # This is -- a caller that pip uses to run setup.py 2025-09-09T07:39:16,184 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,185 ...<32 lines>... 2025-09-09T07:39:16,185 exec(compile(setup_py_code, filename, "exec")) 2025-09-09T07:39:16,185 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,185 ''' % ('/tmp/pip-wheel-22yg7xb2/jupyterlab-pyflyby_c3f4f0c472314509ab68dcce3894eae6/setup.py',), "", "exec")) 2025-09-09T07:39:16,185 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,185 File "", line 35, in 2025-09-09T07:39:16,185 File "/tmp/pip-wheel-22yg7xb2/jupyterlab-pyflyby_c3f4f0c472314509ab68dcce3894eae6/setup.py", line 5, in 2025-09-09T07:39:16,185 from jupyter_packaging import create_cmdclass, get_version, install_npm 2025-09-09T07:39:16,186 ModuleNotFoundError: No module named 'jupyter_packaging' 2025-09-09T07:39:16,270 ERROR: python setup.py egg_info exited with 1 2025-09-09T07:39:16,281 [bold magenta]full command[/]: [blue]/usr/bin/python3 -c ' 2025-09-09T07:39:16,281 exec(compile('"'"''"'"''"'"' 2025-09-09T07:39:16,281 # This is -- a caller that pip uses to run setup.py 2025-09-09T07:39:16,281 # 2025-09-09T07:39:16,281 # - It imports setuptools before invoking setup.py, to enable projects that directly 2025-09-09T07:39:16,281 # import from `distutils.core` to work with newer packaging standards. 2025-09-09T07:39:16,281 # - It provides a clear error message when setuptools is not installed. 2025-09-09T07:39:16,281 # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so 2025-09-09T07:39:16,281 # setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning: 2025-09-09T07:39:16,281 # manifest_maker: standard file '"'"'-c'"'"' not found". 2025-09-09T07:39:16,281 # - It generates a shim setup.py, for handling setup.cfg-only projects. 2025-09-09T07:39:16,281 import os, sys, tokenize, traceback 2025-09-09T07:39:16,281 2025-09-09T07:39:16,281 try: 2025-09-09T07:39:16,281 import setuptools 2025-09-09T07:39:16,281 except ImportError: 2025-09-09T07:39:16,281 print( 2025-09-09T07:39:16,281 "ERROR: Can not execute `setup.py` since setuptools failed to import in " 2025-09-09T07:39:16,281 "the build environment with exception:", 2025-09-09T07:39:16,281 file=sys.stderr, 2025-09-09T07:39:16,281 ) 2025-09-09T07:39:16,281 traceback.print_exc() 2025-09-09T07:39:16,281 sys.exit(1) 2025-09-09T07:39:16,281 2025-09-09T07:39:16,281 __file__ = %r 2025-09-09T07:39:16,281 sys.argv[0] = __file__ 2025-09-09T07:39:16,281 2025-09-09T07:39:16,281 if os.path.exists(__file__): 2025-09-09T07:39:16,281 filename = __file__ 2025-09-09T07:39:16,281 with tokenize.open(__file__) as f: 2025-09-09T07:39:16,281 setup_py_code = f.read() 2025-09-09T07:39:16,281 else: 2025-09-09T07:39:16,281 filename = "" 2025-09-09T07:39:16,281 setup_py_code = "from setuptools import setup; setup()" 2025-09-09T07:39:16,281 2025-09-09T07:39:16,281 exec(compile(setup_py_code, filename, "exec")) 2025-09-09T07:39:16,281 '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-22yg7xb2/jupyterlab-pyflyby_c3f4f0c472314509ab68dcce3894eae6/setup.py'"'"',), "", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-dw__bwdn[/] 2025-09-09T07:39:16,282 [bold magenta]cwd[/]: /tmp/pip-wheel-22yg7xb2/jupyterlab-pyflyby_c3f4f0c472314509ab68dcce3894eae6/ 2025-09-09T07:39:16,282 Preparing metadata (setup.py): finished with status 'error' 2025-09-09T07:39:16,283 ERROR: metadata generation failed 2025-09-09T07:39:16,288 Exception information: 2025-09-09T07:39:16,288 Traceback (most recent call last): 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata 2025-09-09T07:39:16,288 call_subprocess( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 args, 2025-09-09T07:39:16,288 ^^^^^ 2025-09-09T07:39:16,288 ...<2 lines>... 2025-09-09T07:39:16,288 spinner=spinner, 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess 2025-09-09T07:39:16,288 raise error 2025-09-09T07:39:16,288 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1 2025-09-09T07:39:16,288 2025-09-09T07:39:16,288 The above exception was the direct cause of the following exception: 2025-09-09T07:39:16,288 2025-09-09T07:39:16,288 Traceback (most recent call last): 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper 2025-09-09T07:39:16,288 status = _inner_run() 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run 2025-09-09T07:39:16,288 return self.run(options, args) 2025-09-09T07:39:16,288 ~~~~~~~~^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper 2025-09-09T07:39:16,288 return func(self, options, args) 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run 2025-09-09T07:39:16,288 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve 2025-09-09T07:39:16,288 result = self._result = resolver.resolve( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 collected.requirements, max_rounds=limit_how_complex_resolution_can_be 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve 2025-09-09T07:39:16,288 state = resolution.resolve(requirements, max_rounds=max_rounds) 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve 2025-09-09T07:39:16,288 self._add_to_criteria(self.state.criteria, r, parent=None) 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria 2025-09-09T07:39:16,288 if not criterion.candidates: 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__ 2025-09-09T07:39:16,288 return bool(self._sequence) 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__ 2025-09-09T07:39:16,288 self._bool = any(self) 2025-09-09T07:39:16,288 ~~~^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in 2025-09-09T07:39:16,288 return (c for c in iterator if id(c) not in self._incompatible_ids) 2025-09-09T07:39:16,288 ^^^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built 2025-09-09T07:39:16,288 candidate = func() 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link 2025-09-09T07:39:16,288 base: Optional[BaseCandidate] = self._make_base_candidate_from_link( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 link, template, name, version 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link 2025-09-09T07:39:16,288 self._link_candidate_cache[link] = LinkCandidate( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 link, 2025-09-09T07:39:16,288 ^^^^^ 2025-09-09T07:39:16,288 ...<3 lines>... 2025-09-09T07:39:16,288 version=version, 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__ 2025-09-09T07:39:16,288 super().__init__( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 link=link, 2025-09-09T07:39:16,288 ^^^^^^^^^^ 2025-09-09T07:39:16,288 ...<4 lines>... 2025-09-09T07:39:16,288 version=version, 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__ 2025-09-09T07:39:16,288 self.dist = self._prepare() 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare 2025-09-09T07:39:16,288 dist = self._prepare_distribution() 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution 2025-09-09T07:39:16,288 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement 2025-09-09T07:39:16,288 return self._prepare_linked_requirement(req, parallel_builds) 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement 2025-09-09T07:39:16,288 dist = _get_prepared_distribution( 2025-09-09T07:39:16,288 req, 2025-09-09T07:39:16,288 ...<3 lines>... 2025-09-09T07:39:16,288 self.check_build_deps, 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution 2025-09-09T07:39:16,288 abstract_dist.prepare_distribution_metadata( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 finder, build_isolation, check_build_deps 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata 2025-09-09T07:39:16,288 self.req.prepare_metadata() 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~~~~~^^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata 2025-09-09T07:39:16,288 self.metadata_directory = generate_metadata_legacy( 2025-09-09T07:39:16,288 ~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-09T07:39:16,288 build_env=self.build_env, 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ...<3 lines>... 2025-09-09T07:39:16,288 details=details, 2025-09-09T07:39:16,288 ^^^^^^^^^^^^^^^^ 2025-09-09T07:39:16,288 ) 2025-09-09T07:39:16,288 ^ 2025-09-09T07:39:16,288 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata 2025-09-09T07:39:16,288 raise MetadataGenerationFailed(package_details=details) from error 2025-09-09T07:39:16,288 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2025-09-09T07:39:16,312 Removed jupyterlab-pyflyby==3.0.0 from https://files.pythonhosted.org/packages/3d/c1/1231cb8345cab8b1d9d61f3dfdb48d30088ff9c10a2ce4aea0e586b3f752/jupyterlab_pyflyby-3.0.0.tar.gz from build tracker '/tmp/pip-build-tracker-1j12s8j3' 2025-09-09T07:39:16,312 Removed build tracker: '/tmp/pip-build-tracker-1j12s8j3'