 
   (setq ob-ipython-resources-dir ".ob-ipython-resrc")
 
-  (defun +org|babel-load-ipython (language)
-    (and (string-match-p "^jupyter-" language)
+  (defun +org|babel-load-ipython (lang)
+    (and (string-match-p "^jupyter-" (symbol-name lang))
          (require 'ob-ipython nil t)))
   (add-hook '+org-babel-load-functions #'+org|babel-load-ipython)
   :config

(add-hook 'org-load-hook #'+org|init-babel)

(defvar +org-babel-mode-alist
  '(("cpp" . C)
    ("C++" . C)
    ("D" . C)
    ("sh" . shell)
    ("bash" . shell)
    ("matlab" . octave))
  "An alist that maps languages to babel libraries. This is necessary for babel
libraries (ob-*.el) that don't match the name of the language.")


        org-src-window-setup 'current-window
        org-confirm-babel-evaluate nil) ; you don't need my permission

  (defun +org*babel-lazy-load-library (orig-fn info)
    "Load babel libraries as needed when babel blocks are executed."
    (when (funcall orig-fn info)
      (let* ((lang (nth 0 info))
             (lang (if (symbolp lang) lang (intern lang))))
        (when (and (not (cdr (assq lang org-babel-load-languages)))
                   (or (run-hook-with-args-until-success '+org-babel-load-functions lang)
                       (require
                        (intern (format "ob-%s"
                                        (or (cdr (assq lang +org-babel-mode-alist))
                                            lang)))
                        nil t)))
          (map-put org-babel-load-languages lang t))
        t)))
  (advice-add #'org-babel-confirm-evaluate :around #'+org*babel-lazy-load-library)

  ;; I prefer C-c C-c for confirming over the default C-c '
  (map! :map org-src-mode-map "C-c C-c" #'org-edit-src-exit)
