fix

chess_image_to_fen_tool.py

@@ -4,6 +4,7 @@ from utils import get_base64
 from typing import Literal, Dict
 from utils import get_base64
 import requests
+import json
 
 @tool
 def chess_image_to_fen(image_path_in_base64:str, current_player: Literal["black", "white"]) -> Dict[str,str]:
@@ -26,7 +27,9 @@ def chess_image_to_fen(image_path_in_base64:str, current_player: Literal["black"
         raise ValueError("current_player must be 'black' or 'white'")
     
     print('Reading chess image in base 64: ' + image_path_in_base64)
-    base64_image = get_base64(image_path_in_base64)
+    base64_image = get_base64(image_path_in_base64).strip()
+    
+    print("content in base64:\n\n" + base64_image)
     
     if not base64_image:
         raise ValueError("Failed to encode image to base64.")