diff --git a/.emacs.d/config/pass.el b/.emacs.d/config/pass.el
index 6b9aee5..5c0c867 100644
--- a/.emacs.d/config/pass.el
+++ b/.emacs.d/config/pass.el
@@ -1,6 +1,8 @@
 (use-package ivy-pass
   :ensure t
   :init
+  ;; from https://github.com/ecraven/ivy-pass/blob/master/ivy-pass.el
   (setq password-store-password-length 32)
-  :bind
-  ("C-x p" . ivy-pass))
+  :config
+  ;; configure ivy-pass key binding
+  (global-set-key [?\C-x ?p] 'ivy-pass))
diff --git a/.emacs.d/config/python.el b/.emacs.d/config/python.el
index ebd3269..2c06c33 100644
--- a/.emacs.d/config/python.el
+++ b/.emacs.d/config/python.el
@@ -3,5 +3,5 @@
 
 (use-package flycheck-mypy
   :ensure t
-  :hook
-  (python-mode . flycheck-mode))
+  :config
+  (add-hook 'python-mode-hook 'flycheck-mode))