When you open a python file, emacs guesses the indentation offset (number of spaces to indent) based on that file style. When you create a file (the case you describe), emacs cannot guess (file is empty) so it uses your default (4) and notifies the user. In other words: tt is a harmless warning; if you find this is a bug please report it as such. If you don't like emacs guessing the offset, customize the variable python-indent-guess-indent-offset to nil, and then emacs will use always your default (very unsafe in python, where indentation has meaning and you could be editing a file created by somebody else with other defaults).
11 lines
371 B
EmacsLisp
11 lines
371 B
EmacsLisp
;;----------------------------------------------------------------------------
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;; Python Mode
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;;----------------------------------------------------------------------------
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(add-hook 'python-mode-hook
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(lambda ()
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(setq indent-tabs-mode nil)
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(setq python-indent-guess-indent-offset nil)
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(setq python-indent-offset 4)))
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(provide 'init-python)
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