python 3.8.0 doesn’t allow me to install matplotlib orz
Tags: Pyenv, Python3, Matplotlib

BigSur Version 11.1 Beta

python $ pip install matplotlib

Collecting matplotlib

Using cached matplotlib-3.3.3.tar.gz (37.9 MB)

ERROR: Command errored out with exit status 1:

command: /Users/koji/.pyenv/versions/3.8.0/bin/python3.8 -c ‘import sys, setuptools, tokenize; sys.argv[0] = ‘“‘“‘/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setup.py’”’”’; __file__=’”’”’/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setup.py’”’”’;f=getattr(tokenize, ‘“‘“‘open’”’”’, open)(__file__);code=f.read().replace(‘“‘“‘\r

’”’”’, ‘“‘“‘

’”’”’);f.close();exec(compile(code, __file__, ‘“‘“‘exec’”’”’))’ egg_info — egg-base /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu

cwd: /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/

Complete output (62 lines): Edit setup.cfg to change the build options; suppress output with — quiet. BUILDING MATPLOTLIB

matplotlib: yes [3.3.3]

python: yes [3.8.0 (default, Sep 3 2020, 23:19:59) [Clang 12.0.0

(clang-1200.0.31.1)]]

platform: yes [darwin]

sample_data: yes [installing]

tests: no [skipping due to configuration]

macosx: yes [installing] running egg_info

creating /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info

writing /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info/PKG-INFO

writing dependency_links to /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info/dependency_links.txt

writing namespace_packages to /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info/namespace_packages.txt

writing requirements to /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info/requires.txt

writing top-level names to /private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info/top_level.txt

writing manifest file ‘/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-pip-egg-info-kbc9eqzu/matplotlib.egg-info/SOURCES.txt’

init_dgelsd failed init

Traceback (most recent call last):

File “<string>”, line 1, in <module>

File “/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setup.py”, line 242, in <module>

setup( # Finally, pass this all along to distutils to do the heavy lifting.

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/site-packages/setuptools/__init__.py”, line 153, in setup

return distutils.core.setup(**attrs)

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/core.py”, line 148, in setup

dist.run_commands()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/dist.py”, line 966, in run_commands

self.run_command(cmd)

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/dist.py”, line 985, in run_command

cmd_obj.run()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/site-packages/setuptools/command/egg_info.py”, line 298, in run

self.find_sources()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/site-packages/setuptools/command/egg_info.py”, line 305, in find_sources

mm.run()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/site-packages/setuptools/command/egg_info.py”, line 536, in run

self.add_defaults()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/site-packages/setuptools/command/egg_info.py”, line 572, in add_defaults

sdist.add_defaults(self)

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/command/sdist.py”, line 228, in add_defaults

self._add_defaults_ext()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/command/sdist.py”, line 311, in _add_defaults_ext

build_ext = self.get_finalized_command(‘build_ext’)

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/cmd.py”, line 299, in get_finalized_command

cmd_obj.ensure_finalized()

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/distutils/cmd.py”, line 107, in ensure_finalized

self.finalize_options()

File “/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setup.py”, line 88, in finalize_options

self.distribution.ext_modules[:] = [

File “/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setup.py”, line 91, in <listcomp>

for ext in package.get_extensions()

File “/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setupext.py”, line 345, in get_extensions

add_numpy_flags(ext)

File “/private/var/folders/gj/x6v5vwdx1v7741fdfcxwmr100000gn/T/pip-install-dwdwanvq/matplotlib/setupext.py”, line 469, in add_numpy_flags

import numpy as np

File “/Users/koji/.pyenv/versions/3.8.0/lib/python3.8/site-packages/numpy/__init__.py”, line 286, in <module>

raise RuntimeError(msg)

RuntimeError: Polyfit sanity test emitted a warning, most likely due to using a buggy Accelerate backend. If you compiled yourself, see site.cfg.example for information. Otherwise report this to the vendor that provided NumPy.

RankWarning: Polyfit may be poorly conditioned — — — — — — — — — — — — — — — — — — — —

ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

matplotlib has released the suitable version for python 3.8.0 already.

(python 3.9 not yet)

Solution

$ python -m pip install --upgrade pip

$ pip install matplotlib $ pip list | grep matplotlib

matplotlib 3.3.3

https://pypi.org/project/matplotlib/