scikit-learnのインストールができない

Question

Pythonの機械学習について学ぼうと思いscikit-learnをインストールしようとしたところ、以下のようなエラーが表示されます。どうか解決方法を教えて頂けないでしょうか。MacBook Air（2020、M１）pythonは3.9.2です。

ERROR: Command errored out with exit status 1:
command: /Users/suruga/.pyenv/versions/3.9.2/bin/python /private/var/folders/n7/22kkl_210g92ty5hpp77584w0000gn/T/pip-standalone-pip-sksj9r2x/env_pip.zip/pip install --ignore-installed --no-user --prefix /private/var/folders/n7/22kkl_210g92ty5hpp77584w0000gn/T/pip-build-env-8dgpct4s/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel 'Cython>=0.28.5' 'numpy==1.13.3; python_version=='"'"'3.6'"'"' and platform_machine!='"'"'aarch64'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation=='"'"'CPython'"'"'' 'numpy==1.14.0; python_version=='"'"'3.6'"'"' and platform_machine!='"'"'aarch64'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation!='"'"'CPython'"'"'' 'numpy==1.16.0; python_version=='"'"'3.6'"'"' and platform_machine!='"'"'aarch64'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.7'"'"' and platform_machine!='"'"'aarch64'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.19.0; python_version=='"'"'3.6'"'"' and platform_machine=='"'"'aarch64'"'"'' 'numpy==1.19.0; python_version=='"'"'3.7'"'"' and platform_machine=='"'"'aarch64'"'"'' 'numpy==1.19.0; python_version=='"'"'3.8'"'"' and platform_machine=='"'"'aarch64'"'"'' 'numpy==1.14.5; python_version=='"'"'3.7'"'"' and platform_machine!='"'"'aarch64'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.17.3; python_version=='"'"'3.8'"'"' and platform_machine!='"'"'aarch64'"'"'' 'numpy==1.19.3; python_version=='"'"'3.9'"'"'' 'scipy>=0.19.1'
cwd: None
Complete output (219 lines):
Ignoring numpy: markers 'python_version == "3.6" and platform_machine != "aarch64" and platform_system != "AIX" and platform_python_implementation == "CPython"' don't match your environment
Ignoring numpy: markers 'python_version == "3.6" and platform_machine != "aarch64" and platform_system != "AIX" and platform_python_implementation != "CPython"' don't match your environment
Ignoring numpy: markers 'python_version == "3.6" and platform_machine != "aarch64" and platform_system == "AIX"' don't match your environment
Ignoring numpy: markers 'python_version == "3.7" and platform_machine != "aarch64" and platform_system == "AIX"' don't match your environment
Ignoring numpy: markers 'python_version == "3.6" and platform_machine == "aarch64"' don't match your environment
Ignoring numpy: markers 'python_version == "3.7" and platform_machine == "aarch64"' don't match your environment
Ignoring numpy: markers 'python_version == "3.8" and platform_machine == "aarch64"' don't match your environment
Ignoring numpy: markers 'python_version == "3.7" and platform_machine != "aarch64" and platform_system != "AIX"' don't match your environment
Ignoring numpy: markers 'python_version == "3.8" and platform_machine != "aarch64"' don't match your environment
Collecting setuptools
Using cached setuptools-56.0.0-py3-none-any.whl (784 kB)
Collecting wheel
Using cached wheel-0.36.2-py2.py3-none-any.whl (35 kB)
Collecting Cython>=0.28.5
Using cached Cython-0.29.23-py2.py3-none-any.whl (978 kB)
Collecting numpy==1.19.3
Using cached numpy-1.19.3.zip (7.3 MB)
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
Preparing wheel metadata: started
Preparing wheel metadata: finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /Users/suruga/.pyenv/versions/3.9.2/bin/python /var/folders/n7/22kkl_210g92ty5hpp77584w0000gn/T/tmpury6d18y_in_process.py prepare_metadata_for_build_wheel /var/folders/n7/22kkl_210g92ty5hpp77584w0000gn/T/tmpfds535bu
cwd: /private/var/folders/n7/22kkl_210g92ty5hpp77584w0000gn/T/pip-install-ajqd2wki/numpy_1c7c405b11974939986e026035f1740c
Complete output (188 lines):
Running from numpy source directory.
setup.py:480: UserWarning: Unrecognized setuptools command, proceeding with generating Cython sources and expanding templates
run_build = parse_setuppy_commands()

Comments

[meg_]

> scikit-learnをインストールしようとしたところ
質問者さんが入力したコマンドは何でしょうか？

[wokashi]

pip install scikit-learn です。

Answer 1

私はMacユーザではありませんので詳しいことはわかりませんが、エラーメッセージは以下のような感じです。

x86モードのCpython上でscikit-learnをソースからビルドしようとしたところ、マシンのアーキがARMアーキだと認識してビルドを始めたがpythonのアーキと合っていないのでエラーを出して終了します。

scikit-learnを含んだパッケージであるAnacondaをインストールした方が手っ取り早いと思いますが、今のPythonに執着があるのであれば以下のいずれかです。

方法１　ビルド済みのx86用のscikit-learnをインストールする方法を探す。
方法２　Python3.9.1からm1サポート開始とのことですので、ネイティブのpythonを入れて、scikit-learnのソースビルドを楽しむ。

Comments

[wokashi]

回答いただいた通りにscikit-learnを含んだanacondaをインストールしたところ上手くいきました！本当にありがとうございます????