python: Use use-package's hook section instead of config

.emacs.d/config/pass.el

@@ -1,8 +1,6 @@
 (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)
-  :config
-  ;; configure ivy-pass key binding
-  (global-set-key [?\C-x ?p] 'ivy-pass))
+  :bind
+  ("C-x p" . ivy-pass))

.emacs.d/config/python.el

@@ -3,5 +3,5 @@
 
 (use-package flycheck-mypy
   :ensure t
-  :config
-  (add-hook 'python-mode-hook 'flycheck-mode))
+  :hook
+  (python-mode . flycheck-mode))