Refine adviser queue fallback

Agent-Logs-Url: https://github.com/fsmosca/Python-Easy-Chess-GUI/sessions/bd37aa40-7697-4a58-83fa-686e0e9b2592

Co-authored-by: fsmosca <22366935+fsmosca@users.noreply.github.com>

Author: Copilot

python_easy_chess_gui.py

@@ -2098,7 +2098,8 @@ def play_game(self, window: sg.Window, board: chess.Board):
                             except queue.Empty:
                                 continue
                             except Exception:
-                                logging.exception('Failed to read adviser queue.')
+                                logging.exception(
+                                    'Unexpected error reading adviser queue.')
                                 continue
 
                             if 'bestmove' in msg:
@@ -2108,8 +2109,10 @@ def play_game(self, window: sg.Window, board: chess.Board):
                                         adviser_line.split()[0:3])
                                 else:
                                     bestmove_parts = msg.split(maxsplit=1)
-                                    bestmove = bestmove_parts[1] \
-                                        if len(bestmove_parts) > 1 else '(none)'
+                                    if len(bestmove_parts) > 1:
+                                        bestmove = bestmove_parts[1]
+                                    else:
+                                        bestmove = '(none)'
                                     adviser_line = f'bestmove {bestmove}'
                                 adviser_line += ' - ' + self.adviser_id_name
                                 window.Element('advise_info_k').Update(adviser_line)