diff --git a/combo/data/api.py b/combo/data/api.py
index 5a8b7b7c1488f3ac10a413031be9a50c1e8a582b..fa21343fec11b98c606f453286937e24aefe023b 100644
--- a/combo/data/api.py
+++ b/combo/data/api.py
@@ -24,6 +24,7 @@ class Token:
     embeddings: Dict[str, List[float]] = field(default_factory=list, repr=False)
 
 
+
 @dataclass
 class Sentence:
     tokens: List[Token] = field(default_factory=list)