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E837: This Vim cannot execute :py3 after using :python #1102

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mgrabenstein opened this issue Aug 25, 2020 · 1 comment
Open

E837: This Vim cannot execute :py3 after using :python #1102

mgrabenstein opened this issue Aug 25, 2020 · 1 comment

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@mgrabenstein
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@mgrabenstein mgrabenstein commented Aug 25, 2020

Latest MacVim update to Custom Version 8.2.1456 (165). started getting these errors.

Error detected while processing CursorMoved Autocommands for "<buffer=1>"..script //.vim/pack/python-mode/start/python-mode/autoload/pymode/lint.vim:
line 1:
E837: This Vim cannot execute :py3 after using :python

Updated my Python-mode to latest, still getting above error.
@lieryan
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@lieryan lieryan commented Oct 8, 2020

This is not an issue with python-mode itself, but rather it usually happens if you have other plugins (or some config in your .vimrc) that still uses Python 2. Vim can only run Python 2 or Python 3 plugins, but not both simultaneously. python-mode only supports Python 3, so you'll need to disable or update those other plugin if you want to use python-mode or use the last-py2-support branch.

Alternatively, if you really, really, really can't live without both plugins, you may want to consider using NeoVim.
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@lieryan @mgrabenstein
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