Update app.py

app.py

@@ -3,7 +3,7 @@
 # https://www.stockfish.online/docs.php (API)
 # https://www.stockfish.online/ (FEN to image)
 
-import chess, re
+import re
 import gradio as gr
 import gradio.utils, requests
 from typing import Optional, List, Dict, Any
@@ -55,12 +55,7 @@ gradio.utils.watchfn_spaces = _noop
 def validate_input(fen):
     fen_pattern = r'\b([rnbqkpRNBQKP1-8\/]+\s+[wb]\s+(?:-|[KQkq]+)\s+(?:-|[a-h][36])\s+\d+\s+\d+)\b'
 
-    is_valid = re.search(fen_pattern, fen)
-
-    if is_valid:
-        board = chess.Board(fen)
-
-    return is_valid
+    return re.search(fen_pattern, fen)
 
 # Graphical user interface