commit be152af7160e2d1a313ea85ee6137d85e241819a
Author: Vaydheesh <lokendras1998@gmail.com>
Date:   Sat Apr 6 23:19:16 2019 +0530

    Added: Function type annotation

diff --git a/apertium/__init__.py b/apertium/__init__.py
index 788ebcc..c53f83f 100644
--- a/apertium/__init__.py
+++ b/apertium/__init__.py
@@ -40,7 +40,7 @@ def append_pair_path(pair_path):  # type: (str) -> None
     _update_modes(pair_path)
 
 
-def append_pair_path_windows():
+def append_pair_path_windows():  # type (None) -> None
     if platform.system() == 'Windows':
         install_path = os.getenv('LOCALAPPDATA')
         apertium_lang_path = \