--- a/.emacs-my	Sat Jan 07 01:10:02 2017 +0200
+++ b/.emacs-my	Mon Jan 09 01:14:56 2017 +0200
@@ -2921,10 +2921,16 @@
 (defvar my-python/pyflakes-args ""
   "Arguments to pass to pyflakes executable.")
 
+(defvar my-python/pyflakes3-command "pyflakes3"
+  "Command to run pyflakes3 executable.")
+(defvar my-python/pyflakes3-args ""
+  "Arguments to pass to pyflakes3 executable.")
+
 (defvar my-python/checker-alist
   '((pylint . (my-python/pylint-command my-python/pylint-args))
     (pep8 . (my-python/pep8-command my-python/pep8-args))
-    (pyflakes . (my-python/pyflakes-command my-python/pyflakes-args)))
+    (pyflakes . (my-python/pyflakes-command my-python/pyflakes-args))
+    (pyflakes3 . (my-python/pyflakes3-command my-python/pyflakes3-args)))
   "Known Python source code checkers.")
 
 (defcustom my-python/default-checker 'pyflakes