Fix python binding.

bindings/python/eekboard/context.py

@@ -99,7 +99,7 @@ class Context(gobject.GObject):
         self.__properties[pspec.name] = value
 
     def do_get_property(self, pspec):
-        return self.__properties[pspec.name]
+        return self.__properties.get(pspec.name, pspec.default_value)
 
     def add_keyboard(self, keyboard_type):
         return self.__context.AddKeyboard(keyboard_type)

bindings/python/eekboard/keysym.py

@@ -24,7 +24,7 @@ class Keysym(symbol.Symbol):
     def __init__(self):
         super(Keysym, self).__init__()
 
-    xkeysym = property(lambda self: self.xkeysym)
+    xkeysym = property(lambda self: self.__xkeysym)
 
     def serialize(self, struct):
         super(Keysym, self).serialize(struct)