massive cleanup

kmk/extensions/__init__.py

@@ -18,28 +18,28 @@ class Extension:
     # The below methods should be implemented by subclasses
 
     def on_runtime_enable(self, keyboard):
-        pass
+        raise NotImplementedError
 
     def on_runtime_disable(self, keyboard):
-        pass
+        raise NotImplementedError
 
     def during_bootup(self, keyboard):
-        pass
+        raise NotImplementedError
 
     def before_matrix_scan(self, keyboard):
         '''
         Return value will be injected as an extra matrix update
         '''
-        pass
+        raise NotImplementedError
 
     def after_matrix_scan(self, keyboard, matrix_update):
         '''
         Return value will be replace matrix update if supplied
         '''
-        pass
+        raise NotImplementedError
 
     def before_hid_send(self, keyboard):
-        pass
+        raise NotImplementedError
 
     def after_hid_send(self, keyboard):
-        pass
+        raise NotImplementedError