Use format-all-buffer instead of blacken function; restart lsp

emacs/init.org

@@ -2267,13 +2267,7 @@ A function to run a pipenv-aware python repl:
 
 Run black on the current buffer:
 #+BEGIN_SRC emacs-lisp
-  (defun blacken ()
+  (general-def 'normal python-mode-map "C-M-\\" #'format-all-buffer)
-    (interactive)
-    (let ((start (if (use-region-p) (region-beginning) (point-min)))
-	  (end (if (use-region-p) (region-end) (point-max))))
-      (shell-command-on-region start end "black -q -" nil t)))
-
-  (general-def 'normal python-mode-map "C-M-\\" #'blacken)
 #+END_SRC
 
 * Hy
@@ -4782,7 +4776,13 @@ A package that bundles together common code beautifying tools for many languages
   (use-package format-all
     :commands (format-all-buffer)
     :init
-    (leader-def-key "cf" 'format-all-buffer))
+    (leader-def-key "cf" 'format-all-buffer)
+    :config
+    (with-eval-after-load 'lsp-mode
+     (add-hook 'format-all-after-format-functions
+	       (lambda (formatter status)
+		 (when lsp-mode
+		   (lsp-restart-workspace))))))
 #+END_SRC
 
 * Compiling