From 9ebeaf10fb4b2039d2b18d12877c85bbe8b6724e Mon Sep 17 00:00:00 2001
From: Hassieb Pakzad <68423100+hassiebp@users.noreply.github.com>
Date: Tue, 14 Jan 2025 10:26:35 +0100
Subject: [PATCH] fix(api-models): usage unit to optional

---
 langfuse/api/resources/commons/types/model.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/langfuse/api/resources/commons/types/model.py b/langfuse/api/resources/commons/types/model.py
index 8e9449272..54cb26bc8 100644
--- a/langfuse/api/resources/commons/types/model.py
+++ b/langfuse/api/resources/commons/types/model.py
@@ -31,7 +31,7 @@ class Model(pydantic_v1.BaseModel):
     Apply only to generations which are newer than this ISO date.
     """
 
-    unit: ModelUsageUnit = pydantic_v1.Field()
+    unit: typing.Optional[ModelUsageUnit] = pydantic_v1.Field(default=None)
     """
     Unit used by this model.
     """