はてなブックマーク

/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- utils/popen (LoadError) from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require' from /usr/local/Library/Homebrew/utils.rb:6:in `<top (required)>' from /System/Library/Framew

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#　背景 ずっとpython3を使っていたが、新しく入った開発で、python2で開発されていることしり、自分は3で書いてしまったが、最終的には、2に統一が必要となったので、調べた。 3to2をインストール https://pypi.python.org/pypi/3to2 から、zipをダウンロードする zipをあけ、cd 3to2-x.x.x python setup.py install 3to2を試す ターミナルで以下のコマンドを打つと、Optionを確認できる Usage: 3to2 [options] file|dir ... Options: -h, --help show this help message and exit -d, --doctests_only Fix up doctests only -f FIX, --fix=FIX Each FIX specifi

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