fix lint

Signed-off-by: adarsh0728 <gooneriitk@gmail.com>

Author: adarsh0728

pynumaflow/errors/_dtypes.py

@@ -4,6 +4,7 @@
 @dataclass
 class _RuntimeErrorEntry:
     """Represents a runtime error entry to be persisted."""
+
     container: str
     timestamp: int
     code: str
@@ -12,4 +13,4 @@ class _RuntimeErrorEntry:
 
     def to_dict(self) -> dict:
         """Converts the dataclass instance to a dictionary."""
-        return asdict(self)
+        return asdict(self)