Update test_external_moves.py

test_bot/test_external_moves.py

@@ -47,21 +47,24 @@ def online_book_get() -> OnlineType:
 
         return online_book_get()
 
-    def is_chessdb_cn_up(self):
+    def is_chessdb_cn_up(self) -> bool:
+        """Check if chessdb.cn is up."""
         try:
             self.other_session.get("https://www.chessdb.cn/cdb.php", timeout=2)
             return True
         except RequestException:
             return False
 
-    def is_lichess_ovh_up(self):
+    def is_lichess_ovh_up(self) -> bool:
+        """Check if tablebase.lichess.ovh is up."""
         try:
             self.other_session.get("https://tablebase.lichess.ovh/standard", timeout=2)
             return True
         except RequestException:
             return False
 
-    def is_lichess_org_up(self):
+    def is_lichess_org_up(self) -> bool:
+        """Check if lichess.org is up."""
         try:
             self.other_session.get("https://lichess.org/api/cloud-eval", timeout=2)
             return True
@@ -176,7 +179,8 @@ def test_external_moves() -> None:
         wdl1_move = get_online_move_wrapper(li, chess.Board(endgame_wdl1_fen), game, online_cfg, draw_or_resign_cfg)
         assert not wdl1_move.resigned and not wdl1_move.draw_offered
         # Test with reversed colors.
-        assert get_online_move_wrapper(li, chess.Board(endgame_wdl2_fen).mirror(), game, online_cfg, draw_or_resign_cfg).resigned
+        assert get_online_move_wrapper(li, chess.Board(endgame_wdl2_fen).mirror(), game, online_cfg,
+                                       draw_or_resign_cfg).resigned
         assert get_online_move_wrapper(li, chess.Board(endgame_wdl0_fen).mirror(), game, online_cfg,
                                        draw_or_resign_cfg).draw_offered
         wdl1_move = get_online_move_wrapper(li, chess.Board(endgame_wdl1_fen).mirror(), game, online_cfg, draw_or_resign_cfg)