Enable blacken-mode when a python project uses it

.emacs.d/init.el

@@ -984,6 +984,12 @@
   (org-lookup-dnd-parse-extras)
   (org-lookup-dnd-dump-vars-to-file '(org-lookup-dnd-db) org-lookup-dnd-db-file))
 
+(use-package blacken
+  :hook (python-mode . blacken-mode)
+  :delight
+  :config
+  (setq blacken-only-if-project-is-blackened t))
+
 ;;; Local Variables
 (add-to-list 'safe-local-eval-forms '(outline-hide-body))
 ;; Local Variables: