Re: let*: Wrong type argument: stringp, nil

[Emanuel Berg]

Hongyi Zhao wrote:

>   (defun try/pyvenv-workon ()
>     (when (and (buffer-file-name)
>                (locate-dominating-file (buffer-file-name) ".python-version"))
>       (let ((file (concat (locate-dominating-file (buffer-file-name)
> ".python-version") ".python-version")))
>         (pyvenv-workon
>           (with-temp-buffer
>             (insert-file-contents file)
>             (nth 0 (split-string (buffer-string))))))))

Use `let' so you don't have to hard-code the same data three
times.

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