diff --git a/src/backend/langflow/api/v1/schemas.py b/src/backend/langflow/api/v1/schemas.py
index 066934024..e84e65b51 100644
--- a/src/backend/langflow/api/v1/schemas.py
+++ b/src/backend/langflow/api/v1/schemas.py
@@ -161,7 +161,9 @@ class StreamData(BaseModel):
     data: dict
 
     def __str__(self) -> str:
-        return f"event: {self.event}\ndata: {orjson_dumps(self.data, indent_2=False)}\n\n"
+        return (
+            f"event: {self.event}\ndata: {orjson_dumps(self.data, indent_2=False)}\n\n"
+        )
 
 
 class CustomComponentCode(BaseModel):
@@ -246,4 +248,3 @@ class VertexBuildResponse(BaseModel):
 
 class VerticesBuiltResponse(BaseModel):
     vertices: List[VertexBuildResponse]
-    vertices: List[VertexBuildResponse]