fixed misssing coin_precision.json

market.py

@@ -28,7 +28,7 @@ class MarketDataFeeder:
     def _load_coins(self) -> list:
         """Loads the list of coins from the coin_precision.json file."""
         try:
-            with open("coin_precision.json", 'r') as f:
+            with open("_data/coin_precision.json", 'r') as f:
                 coins_data = json.load(f)
                 logging.info(f"Loaded {len(coins_data)} coins from 'coin_precision.json'.")
                 return list(coins_data.keys())