Update app.py

app.py

@@ -22,7 +22,7 @@ def predict_move(fen, top_k=3):
 def btn_load(inp_fen):
     print(f'** log - load - ts {datetime.now().isoformat()}, fen: {inp_fen}')
     board = chess.Board()
-    return svg_str = chess.svg.board(board), board.fen(), ''
+    return chess.svg.board(board), board.fen(), ''
 
 def btn_play(inp_fen, inp_move, inp_notation, inp_k):
     print(f'** log - play - ts {datetime.now().isoformat()}, fen: {inp_fen}, move: {inp_move}, notation: {inp_notation}, top_k: {inp_k}')