Conditionally add jupyter to org-babel if ob-jupyter is available

init.el

@@ -596,10 +596,7 @@ it will be tried first."
   (org-M-RET-may-split-line '((default . nil)
                               (headline . nil)
                               (item . nil)
-                              (table . t)))
+                              (table . t))))
-  (org-babel-load-languages '((emacs-lisp . t)
-                              (lua . t)
-                              (python . t))))
 
 (use-package org-faces
   :after org
@@ -654,6 +651,24 @@ it will be tried first."
   :custom
   (org-babel-python-command "python3"))
 
+(use-package ob-jupyter
+  :after (ob-core jupyter))
+
+(with-eval-after-load 'org
+  (let (babel-languages)
+    (when (require 'ob-jupyter nil :noerror)
+      (push '(jupyter . t) babel-languages))
+    (push '(lua . t) babel-languages)
+    (push '(python . t) babel-languages)
+    (push '(emacs-lisp . t) babel-languages)
+    (org-babel-do-load-languages
+     'org-babel-load-languages
+     babel-languages)
+    )
+  )
+
+
+
 (use-package org-capture
   :after org
   :bind
@@ -1041,8 +1056,6 @@ Calls `project-remember-project-under' for ~/Projects/"
   (require 'nix-store)
   (nix-prettify-global-mode +1))
 
-(use-package lua-mode)
-
 (defun my/enable-fill-column (col)
   "Set and enable fill column to `COL'."
   (set-fill-column col)