Update app.py

app.py

@@ -174,7 +174,10 @@ def transform_string(input_str):
 def main():
     # download_stockfish()
     st.title("Chessboard Position Detection and Move Prediction")
-    import os
+    
+    os.chmod("/home/user/app/stockfish-ubuntu-x86-64-sse41-popcnt", 0o755)
+
+   
     st.write(os.getcwd())