also add the JoinError exception type

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/swiftstory/Client.py b/swiftstory/Client.py
index 93ea232..a84783d 100644
--- a/swiftstory/Client.py
+++ b/swiftstory/Client.py
@@ -1,7 +1,7 @@
 import asyncio
 import logging
 
-from swiftstory.exception import WrongAction
+from swiftstory.exception import WrongAction, UnsupportedLanguage, JoinError
 
 
 class Client:
@@ -19,7 +19,10 @@ class Client:
         if lang is None:
             lang = 'en'
 
-        game = self.game_manager.join_game(game_name, lang)
+        try:
+            game = self.game_manager.join_game(game_name, lang)
+        except UnsupportedLanguage as e:
+            raise JoinError(f"unsupported language: {str(e)}") from e
         # XXX self.game will be assigned by game.try_join()
 
         return game.try_join(self)