Add replicas to baggage header (#1817)

angus-langchain · web-flow · commit 30d992164d19 · 2025-06-27T12:19:57.000-07:00
diff --git a/python/langsmith/__init__.py b/python/langsmith/__init__.py
@@ -21,7 +21,7 @@
 
 # Avoid calling into importlib on every call to __version__
 
-__version__ = "0.4.3"
+__version__ = "0.4.4"
 version = __version__  # for backwards compatibility
 
 
diff --git a/python/langsmith/run_trees.py b/python/langsmith/run_trees.py
@@ -716,6 +716,7 @@ def to_headers(self) -> dict[str, str]:
             metadata=self.extra.get("metadata", {}),
             tags=self.tags,
             project_name=self.session_name,
+            replicas=self.replicas,
         )
         headers["baggage"] = baggage.to_header()
         return headers
diff --git a/python/pyproject.toml b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langsmith"
-version = "0.4.3"
+version = "0.4.4"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 authors = ["LangChain <support@langchain.dev>"]
 license = "MIT"

Original file line number	Diff line number	Diff line change
`@@ -716,6 +716,7 @@ def to_headers(self) -> dict[str, str]:`
`716`	`716`	`metadata=self.extra.get("metadata", {}),`
`717`	`717`	`tags=self.tags,`
`718`	`718`	`project_name=self.session_name,`
	`719`	`+ replicas=self.replicas,`
`719`	`720`	`)`
`720`	`721`	`headers["baggage"] = baggage.to_header()`
`721`	`722`	`return headers`