diff --git a/core/models/entity/ohlcv.py b/core/models/entity/ohlcv.py
index 2bf375f9..828fddaa 100644
--- a/core/models/entity/ohlcv.py
+++ b/core/models/entity/ohlcv.py
@@ -51,7 +51,7 @@ def from_dict(cls, data: Dict) -> "OHLCV":
         }
 
         missing_keys = required_keys - data.keys()
-        
+
         if missing_keys:
             raise ValueError(f"Missing keys in data dictionary: {missing_keys}")