From 5c43494dc79c419ab69e22e91fd515a1b8052b7c Mon Sep 17 00:00:00 2001
From: William FH <13333726+hinthornw@users.noreply.github.com>
Date: Wed, 18 Sep 2024 22:53:46 -0700
Subject: [PATCH] [Py] Defaults in Example (#1017)

---
 python/langsmith/schemas.py | 7 +++++--
 python/pyproject.toml       | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/python/langsmith/schemas.py b/python/langsmith/schemas.py
index 4985109d1..602f08293 100644
--- a/python/langsmith/schemas.py
+++ b/python/langsmith/schemas.py
@@ -48,7 +48,7 @@ class ExampleBase(BaseModel):
     """Example base model."""
 
     dataset_id: UUID
-    inputs: Dict[str, Any]
+    inputs: Dict[str, Any] = Field(default_factory=dict)
     outputs: Optional[Dict[str, Any]] = Field(default=None)
     metadata: Optional[Dict[str, Any]] = Field(default=None)
 
@@ -70,7 +70,10 @@ class Example(ExampleBase):
     """Example model."""
 
     id: UUID
-    created_at: datetime
+    created_at: datetime = Field(
+        default_factory=lambda: datetime.fromtimestamp(0, tz=timezone.utc)
+    )
+    dataset_id: UUID = Field(default=UUID("00000000-0000-0000-0000-000000000000"))
     modified_at: Optional[datetime] = Field(default=None)
     runs: List[Run] = Field(default_factory=list)
     source_run_id: Optional[UUID] = None
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 46582df93..bc791b524 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langsmith"
-version = "0.1.122"
+version = "0.1.123"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 authors = ["LangChain <support@langchain.dev>"]
 license = "MIT"