flymake syntax error in minibuffer

gistfile1.txt

(defun my-flymake-show-help ()
   (when (get-char-property (point) 'flymake-overlay)
     (let ((help (get-char-property (point) 'help-echo)))
       (if help (message "%s" help)))))

 (add-hook 'post-command-hook 'my-flymake-show-help)

Oh,

Forgot to say what this does. Adds output to the minibuffer when you place the point on an error