2025-09-08T19:03:31,915 Created temporary directory: /tmp/pip-build-tracker-gvc_vn_d 2025-09-08T19:03:31,916 Initialized build tracking at /tmp/pip-build-tracker-gvc_vn_d 2025-09-08T19:03:31,916 Created build tracker: /tmp/pip-build-tracker-gvc_vn_d 2025-09-08T19:03:31,916 Entered build tracker: /tmp/pip-build-tracker-gvc_vn_d 2025-09-08T19:03:31,917 Created temporary directory: /tmp/pip-wheel-4ckx6d4f 2025-09-08T19:03:31,920 Created temporary directory: /tmp/pip-ephem-wheel-cache-uqij4_vb 2025-09-08T19:03:31,977 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-09-08T19:03:31,979 2 location(s) to search for versions of pytrajectory: 2025-09-08T19:03:31,979 * https://pypi.org/simple/pytrajectory/ 2025-09-08T19:03:31,979 * https://www.piwheels.org/simple/pytrajectory/ 2025-09-08T19:03:31,980 Fetching project page and analyzing links: https://pypi.org/simple/pytrajectory/ 2025-09-08T19:03:31,980 Getting page https://pypi.org/simple/pytrajectory/ 2025-09-08T19:03:31,981 Found index url https://pypi.org/simple/ 2025-09-08T19:03:32,130 Fetched page https://pypi.org/simple/pytrajectory/ as application/vnd.pypi.simple.v1+json 2025-09-08T19:03:32,133 Found link https://files.pythonhosted.org/packages/7c/f7/2586f0f8214b2e18ff1cbe097c70801be9895c125442185122dc6eda150b/PyTrajectory-0.3.3.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 0.3.3 2025-09-08T19:03:32,134 Found link https://files.pythonhosted.org/packages/c7/f8/dee53a36419991434c6e4932b7e610d46b30ed10eb6bb41327b4f791842f/PyTrajectory-0.3.4.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 0.3.4 2025-09-08T19:03:32,134 Found link https://files.pythonhosted.org/packages/2e/40/815a3bd27c5482bb1e10033d4ef54065ca84065d2bc68dcc327cd632ae5d/PyTrajectory-0.3.4.zip (from https://pypi.org/simple/pytrajectory/), version: 0.3.4 2025-09-08T19:03:32,134 Found link https://files.pythonhosted.org/packages/49/41/6e8dc7b89c6f81e1a7ccb54550743e2fd0864efd844dc8cd0a005708adc6/PyTrajectory-1.0.0.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 1.0.0 2025-09-08T19:03:32,135 Found link https://files.pythonhosted.org/packages/30/ad/c84362c2ea723ef7b0a013305080a001ebf828906f9183e9f38abbfde2a4/PyTrajectory-1.0.0.zip (from https://pypi.org/simple/pytrajectory/), version: 1.0.0 2025-09-08T19:03:32,135 Found link https://files.pythonhosted.org/packages/cf/01/7e6b968cd47804913058e6729d2be5fcf394003c0281f543496fc20e4576/PyTrajectory-1.1.0.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 1.1.0 2025-09-08T19:03:32,136 Found link https://files.pythonhosted.org/packages/57/85/01f7a0f568ce603a0569c6b83d5248914c369ed4c5a25ad7f5f12f8a09fe/PyTrajectory-1.1.0.zip (from https://pypi.org/simple/pytrajectory/), version: 1.1.0 2025-09-08T19:03:32,136 Found link https://files.pythonhosted.org/packages/8d/ba/5ce4275b00215837edb075b2b8ef0e68f30b8dc7954f981f2ca1eb6aef5d/PyTrajectory-1.2.0.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 1.2.0 2025-09-08T19:03:32,136 Found link https://files.pythonhosted.org/packages/b6/05/74498618c55f19a0a998bc803ac813f42998bcdb2a3fefd671d7c5fa8ef2/PyTrajectory-1.2.0.zip (from https://pypi.org/simple/pytrajectory/), version: 1.2.0 2025-09-08T19:03:32,137 Found link https://files.pythonhosted.org/packages/ec/dc/7b6a181bed3232fb5fc4821026861470ea8b9ed5cc8518d5c7a369ccd23a/PyTrajectory-1.5.2.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 1.5.2 2025-09-08T19:03:32,137 Found link https://files.pythonhosted.org/packages/49/ad/28d570a68164c9b7c1fdc2703d843e91e67e7e487197d82b8bf0ab76497f/PyTrajectory-1.5.3.tar.gz (from https://pypi.org/simple/pytrajectory/), version: 1.5.3 2025-09-08T19:03:32,138 Fetching project page and analyzing links: https://www.piwheels.org/simple/pytrajectory/ 2025-09-08T19:03:32,138 Getting page https://www.piwheels.org/simple/pytrajectory/ 2025-09-08T19:03:32,140 Found index url https://www.piwheels.org/simple/ 2025-09-08T19:03:32,237 Fetched page https://www.piwheels.org/simple/pytrajectory/ as text/html 2025-09-08T19:03:32,240 Skipping link: No binaries permitted for pytrajectory: https://archive1.piwheels.org/simple/pytrajectory/PyTrajectory-1.5.3-py3-none-any.whl#sha256=36971c422bf4ca66c2cfa24aba8db5da1877ec0e8d1c2f790555cea1cadc440e (from https://www.piwheels.org/simple/pytrajectory/) 2025-09-08T19:03:32,240 Skipping link: No binaries permitted for pytrajectory: https://archive1.piwheels.org/simple/pytrajectory/PyTrajectory-1.2.0-py3-none-any.whl#sha256=6264891ba4a9d1b4564117e94c7accc84016ba456748141c89acf355cb47ec9f (from https://www.piwheels.org/simple/pytrajectory/) 2025-09-08T19:03:32,240 Skipping link: No binaries permitted for pytrajectory: https://archive1.piwheels.org/simple/pytrajectory/PyTrajectory-1.1.0-py3-none-any.whl#sha256=c4b905b46b53cad1be2080c73792b7cad64a5b6b60180bd81e5a0869fa0014e9 (from https://www.piwheels.org/simple/pytrajectory/) 2025-09-08T19:03:32,240 Skipping link: No binaries permitted for pytrajectory: https://archive1.piwheels.org/simple/pytrajectory/PyTrajectory-1.0.0-py3-none-any.whl#sha256=7e60487aa0ff5be3e84abc24a9547c5d49f1f89d77328b08e3bcecb37cb4c583 (from https://www.piwheels.org/simple/pytrajectory/) 2025-09-08T19:03:32,240 Skipping link: No binaries permitted for pytrajectory: https://archive1.piwheels.org/simple/pytrajectory/PyTrajectory-0.3.4-py3-none-any.whl#sha256=47d77d74086ffde5185cccf208614f2184bf1a500474b45002948a4639176d36 (from https://www.piwheels.org/simple/pytrajectory/) 2025-09-08T19:03:32,240 Skipping link: No binaries permitted for pytrajectory: https://archive1.piwheels.org/simple/pytrajectory/PyTrajectory-0.3.3-py3-none-any.whl#sha256=a61b098455bb8523012e2db59619ee899f66c85d537bab15d71d0d7183485ace (from https://www.piwheels.org/simple/pytrajectory/) 2025-09-08T19:03:32,241 Skipping link: not a file: https://www.piwheels.org/simple/pytrajectory/ 2025-09-08T19:03:32,241 Skipping link: not a file: https://pypi.org/simple/pytrajectory/ 2025-09-08T19:03:32,266 Given no hashes to check 1 links for project 'pytrajectory': discarding no candidates 2025-09-08T19:03:32,267 Collecting pytrajectory==1.5.2 2025-09-08T19:03:32,268 Created temporary directory: /tmp/pip-unpack-dxswmhtq 2025-09-08T19:03:32,405 Downloading PyTrajectory-1.5.2.tar.gz (87 kB) 2025-09-08T19:03:32,460 Added pytrajectory==1.5.2 from https://files.pythonhosted.org/packages/ec/dc/7b6a181bed3232fb5fc4821026861470ea8b9ed5cc8518d5c7a369ccd23a/PyTrajectory-1.5.2.tar.gz to build tracker '/tmp/pip-build-tracker-gvc_vn_d' 2025-09-08T19:03:32,461 Running setup.py (path:/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/setup.py) egg_info for package pytrajectory 2025-09-08T19:03:32,461 Created temporary directory: /tmp/pip-pip-egg-info-rlbb255m 2025-09-08T19:03:32,461 Preparing metadata (setup.py): started 2025-09-08T19:03:32,462 Running command python setup.py egg_info 2025-09-08T19:03:37,540 /tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/auxiliary.py:68: SyntaxWarning: invalid escape sequence '\d' 2025-09-08T19:03:37,540 :math:`\dot{x}_i = x_{i+1}` applies. 2025-09-08T19:03:37,541 /tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/auxiliary.py:145: SyntaxWarning: invalid escape sequence '\d' 2025-09-08T19:03:37,541 i.e. equations of the form :math:`\dot{x}_i = x_j`. 2025-09-08T19:03:37,576 /tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/auxiliary.py:1386: SyntaxWarning: "is" with 'str' literal. Did you mean "=="? 2025-09-08T19:03:37,576 if plot_x_idx is "all" or plot_x_idx is True: 2025-09-08T19:03:37,725 Traceback (most recent call last): 2025-09-08T19:03:37,728 File "", line 2, in 2025-09-08T19:03:37,728 exec(compile(''' 2025-09-08T19:03:37,728 ~~~~^^^^^^^^^^^^ 2025-09-08T19:03:37,728 # This is -- a caller that pip uses to run setup.py 2025-09-08T19:03:37,728 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:37,728 ...<32 lines>... 2025-09-08T19:03:37,728 exec(compile(setup_py_code, filename, "exec")) 2025-09-08T19:03:37,728 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:37,729 ''' % ('/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/setup.py',), "", "exec")) 2025-09-08T19:03:37,729 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:37,729 File "", line 35, in 2025-09-08T19:03:37,729 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/setup.py", line 6, in 2025-09-08T19:03:37,729 from pytrajectory.release import __version__ 2025-09-08T19:03:37,729 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/__init__.py", line 13, in 2025-09-08T19:03:37,729 from .system import TransitionProblem, ControlSystem 2025-09-08T19:03:37,729 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/system.py", line 9, in 2025-09-08T19:03:37,730 from .collocation import CollocationSystem 2025-09-08T19:03:37,730 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/collocation.py", line 9, in 2025-09-08T19:03:37,730 from .trajectories import Trajectory 2025-09-08T19:03:37,730 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/trajectories.py", line 7, in 2025-09-08T19:03:37,730 from .splines import Spline, differentiate 2025-09-08T19:03:37,730 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/splines.py", line 7, in 2025-09-08T19:03:37,730 from . import auxiliary as aux 2025-09-08T19:03:37,730 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/auxiliary.py", line 20, in 2025-09-08T19:03:37,730 from .simulation import Simulator 2025-09-08T19:03:37,731 File "/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/pytrajectory/simulation.py", line 7, in 2025-09-08T19:03:37,731 from ipydex import IPS 2025-09-08T19:03:37,731 ModuleNotFoundError: No module named 'ipydex' 2025-09-08T19:03:38,279 ERROR: python setup.py egg_info exited with 1 2025-09-08T19:03:38,291 [bold magenta]full command[/]: [blue]/usr/bin/python3 -c ' 2025-09-08T19:03:38,291 exec(compile('"'"''"'"''"'"' 2025-09-08T19:03:38,291 # This is -- a caller that pip uses to run setup.py 2025-09-08T19:03:38,291 # 2025-09-08T19:03:38,291 # - It imports setuptools before invoking setup.py, to enable projects that directly 2025-09-08T19:03:38,291 # import from `distutils.core` to work with newer packaging standards. 2025-09-08T19:03:38,291 # - It provides a clear error message when setuptools is not installed. 2025-09-08T19:03:38,291 # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so 2025-09-08T19:03:38,291 # setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning: 2025-09-08T19:03:38,291 # manifest_maker: standard file '"'"'-c'"'"' not found". 2025-09-08T19:03:38,291 # - It generates a shim setup.py, for handling setup.cfg-only projects. 2025-09-08T19:03:38,291 import os, sys, tokenize, traceback 2025-09-08T19:03:38,291 2025-09-08T19:03:38,291 try: 2025-09-08T19:03:38,291 import setuptools 2025-09-08T19:03:38,291 except ImportError: 2025-09-08T19:03:38,291 print( 2025-09-08T19:03:38,291 "ERROR: Can not execute `setup.py` since setuptools failed to import in " 2025-09-08T19:03:38,291 "the build environment with exception:", 2025-09-08T19:03:38,291 file=sys.stderr, 2025-09-08T19:03:38,291 ) 2025-09-08T19:03:38,291 traceback.print_exc() 2025-09-08T19:03:38,291 sys.exit(1) 2025-09-08T19:03:38,291 2025-09-08T19:03:38,291 __file__ = %r 2025-09-08T19:03:38,291 sys.argv[0] = __file__ 2025-09-08T19:03:38,291 2025-09-08T19:03:38,291 if os.path.exists(__file__): 2025-09-08T19:03:38,291 filename = __file__ 2025-09-08T19:03:38,291 with tokenize.open(__file__) as f: 2025-09-08T19:03:38,291 setup_py_code = f.read() 2025-09-08T19:03:38,291 else: 2025-09-08T19:03:38,291 filename = "" 2025-09-08T19:03:38,291 setup_py_code = "from setuptools import setup; setup()" 2025-09-08T19:03:38,291 2025-09-08T19:03:38,291 exec(compile(setup_py_code, filename, "exec")) 2025-09-08T19:03:38,291 '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/setup.py'"'"',), "", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-rlbb255m[/] 2025-09-08T19:03:38,291 [bold magenta]cwd[/]: /tmp/pip-wheel-4ckx6d4f/pytrajectory_d9c9b58767674f5197d597d1be10a0f2/ 2025-09-08T19:03:38,292 Preparing metadata (setup.py): finished with status 'error' 2025-09-08T19:03:38,292 ERROR: metadata generation failed 2025-09-08T19:03:38,299 Exception information: 2025-09-08T19:03:38,299 Traceback (most recent call last): 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata 2025-09-08T19:03:38,299 call_subprocess( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 args, 2025-09-08T19:03:38,299 ^^^^^ 2025-09-08T19:03:38,299 ...<2 lines>... 2025-09-08T19:03:38,299 spinner=spinner, 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess 2025-09-08T19:03:38,299 raise error 2025-09-08T19:03:38,299 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1 2025-09-08T19:03:38,299 2025-09-08T19:03:38,299 The above exception was the direct cause of the following exception: 2025-09-08T19:03:38,299 2025-09-08T19:03:38,299 Traceback (most recent call last): 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper 2025-09-08T19:03:38,299 status = _inner_run() 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run 2025-09-08T19:03:38,299 return self.run(options, args) 2025-09-08T19:03:38,299 ~~~~~~~~^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper 2025-09-08T19:03:38,299 return func(self, options, args) 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run 2025-09-08T19:03:38,299 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve 2025-09-08T19:03:38,299 result = self._result = resolver.resolve( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 collected.requirements, max_rounds=limit_how_complex_resolution_can_be 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve 2025-09-08T19:03:38,299 state = resolution.resolve(requirements, max_rounds=max_rounds) 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve 2025-09-08T19:03:38,299 self._add_to_criteria(self.state.criteria, r, parent=None) 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria 2025-09-08T19:03:38,299 if not criterion.candidates: 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__ 2025-09-08T19:03:38,299 return bool(self._sequence) 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__ 2025-09-08T19:03:38,299 self._bool = any(self) 2025-09-08T19:03:38,299 ~~~^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in 2025-09-08T19:03:38,299 return (c for c in iterator if id(c) not in self._incompatible_ids) 2025-09-08T19:03:38,299 ^^^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built 2025-09-08T19:03:38,299 candidate = func() 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link 2025-09-08T19:03:38,299 base: Optional[BaseCandidate] = self._make_base_candidate_from_link( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 link, template, name, version 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link 2025-09-08T19:03:38,299 self._link_candidate_cache[link] = LinkCandidate( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 link, 2025-09-08T19:03:38,299 ^^^^^ 2025-09-08T19:03:38,299 ...<3 lines>... 2025-09-08T19:03:38,299 version=version, 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__ 2025-09-08T19:03:38,299 super().__init__( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 link=link, 2025-09-08T19:03:38,299 ^^^^^^^^^^ 2025-09-08T19:03:38,299 ...<4 lines>... 2025-09-08T19:03:38,299 version=version, 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__ 2025-09-08T19:03:38,299 self.dist = self._prepare() 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare 2025-09-08T19:03:38,299 dist = self._prepare_distribution() 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution 2025-09-08T19:03:38,299 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement 2025-09-08T19:03:38,299 return self._prepare_linked_requirement(req, parallel_builds) 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement 2025-09-08T19:03:38,299 dist = _get_prepared_distribution( 2025-09-08T19:03:38,299 req, 2025-09-08T19:03:38,299 ...<3 lines>... 2025-09-08T19:03:38,299 self.check_build_deps, 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution 2025-09-08T19:03:38,299 abstract_dist.prepare_distribution_metadata( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 finder, build_isolation, check_build_deps 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata 2025-09-08T19:03:38,299 self.req.prepare_metadata() 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~~~~~^^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata 2025-09-08T19:03:38,299 self.metadata_directory = generate_metadata_legacy( 2025-09-08T19:03:38,299 ~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-08T19:03:38,299 build_env=self.build_env, 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ...<3 lines>... 2025-09-08T19:03:38,299 details=details, 2025-09-08T19:03:38,299 ^^^^^^^^^^^^^^^^ 2025-09-08T19:03:38,299 ) 2025-09-08T19:03:38,299 ^ 2025-09-08T19:03:38,299 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata 2025-09-08T19:03:38,299 raise MetadataGenerationFailed(package_details=details) from error 2025-09-08T19:03:38,299 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2025-09-08T19:03:38,323 Removed pytrajectory==1.5.2 from https://files.pythonhosted.org/packages/ec/dc/7b6a181bed3232fb5fc4821026861470ea8b9ed5cc8518d5c7a369ccd23a/PyTrajectory-1.5.2.tar.gz from build tracker '/tmp/pip-build-tracker-gvc_vn_d' 2025-09-08T19:03:38,323 Removed build tracker: '/tmp/pip-build-tracker-gvc_vn_d'