Update app.py

app.py

@@ -14,7 +14,7 @@ def evaluation(fen):
         The evaluation
     """
     url = "https://stockfish.online/api/s/v2.php"
-    params = {"fen": fen, "depth": 15}
+    params = {"fen": fen, "depth": 12}
     
     try:
         response = requests.get(url, params=params, timeout=10)