changes made in fen correction

main.py

@@ -117,7 +117,7 @@ async def get_fen(file : UploadFile = File(), perspective : str = Form("w"), nex
         if "error" in detection_results:
             return JSONResponse(content=detection_results, status_code=400)
         
-        fen = gen_fen(detection_results, perspective)
+        fen = gen_fen(detection_results, perspective, next_to_move)
         if not fen:
             return JSONResponse(content={"error": "FEN generation failed", "details": "Invalid input data"}, status_code=500)
 

routes/fen_generator.py

@@ -108,7 +108,7 @@ def gen_fen(result: dict, p: str, next_to_move : str):
             fen_rows.append(fen_row)  # FIXED: Ensured last row is added
 
         position_fen = "/".join(fen_rows)
-        fen_notation = f"{position_fen}{next_to_move} - - 0 0"
+        fen_notation = f"{position_fen} {next_to_move} - - 0 0"
 
         return fen_notation