@@ -0,0 +1,9 @@
+import pydantic
+from typing import List
+
+class SimilarUserRecord(pydantic.BaseModel):
+    user_id: int
+    similarity_score: float
+
+class SimilarUsers(pydantic.BaseModel):
+    similar_users: List[SimilarUserRecord]
what is the range of this float?