From be6e074057706cd2886697404a0b632d95d995bd Mon Sep 17 00:00:00 2001
From: Hassieb Pakzad <68423100+hassiebp@users.noreply.github.com>
Date: Tue, 3 Jun 2025 17:20:48 +0200
Subject: [PATCH 1/3] fix(langchain): deployment version in model name

---
 langfuse/langchain/utils.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/langfuse/langchain/utils.py b/langfuse/langchain/utils.py
index 5880e9624..30dde5683 100644
--- a/langfuse/langchain/utils.py
+++ b/langfuse/langchain/utils.py
@@ -58,7 +58,11 @@ def _extract_model_name(
         deployment_version = None
         if serialized.get("kwargs").get("deployment_name"):
             deployment_name = serialized.get("kwargs").get("deployment_name")
-        return deployment_name + "-" + deployment_version
+        return (
+            deployment_name + "-" + deployment_version
+            if deployment_version not in deployment_name
+            else deployment_name
+        )
 
     # Third, for some models, we are unable to extract the model by a path in an object. Langfuse provides us with a string representation of the model pbjects
     # We use regex to extract the model from the repr string

From 6c1e9f5bce53542d4a6bcc6c857bf3832fbd7e35 Mon Sep 17 00:00:00 2001
From: Hassieb Pakzad <68423100+hassiebp@users.noreply.github.com>
Date: Tue, 3 Jun 2025 17:24:00 +0200
Subject: [PATCH 2/3] push

---
 langfuse/langchain/utils.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/langfuse/langchain/utils.py b/langfuse/langchain/utils.py
index 30dde5683..3cc32ff35 100644
--- a/langfuse/langchain/utils.py
+++ b/langfuse/langchain/utils.py
@@ -53,11 +53,14 @@ def _extract_model_name(
             return kwargs.get("invocation_params").get("model_name")
 
         deployment_name = None
-        if serialized.get("kwargs").get("openai_api_version"):
-            deployment_name = serialized.get("kwargs").get("deployment_version")
         deployment_version = None
+
+        if serialized.get("kwargs").get("openai_api_version"):
+            deployment_version = serialized.get("kwargs").get("deployment_version")
+
         if serialized.get("kwargs").get("deployment_name"):
             deployment_name = serialized.get("kwargs").get("deployment_name")
+
         return (
             deployment_name + "-" + deployment_version
             if deployment_version not in deployment_name

From 15e510ede8fa20f03405244a3ff6ac533648d853 Mon Sep 17 00:00:00 2001
From: Hassieb Pakzad <68423100+hassiebp@users.noreply.github.com>
Date: Tue, 3 Jun 2025 17:31:11 +0200
Subject: [PATCH 3/3] push

---
 langfuse/langchain/utils.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/langfuse/langchain/utils.py b/langfuse/langchain/utils.py
index 3cc32ff35..abbd9e70d 100644
--- a/langfuse/langchain/utils.py
+++ b/langfuse/langchain/utils.py
@@ -61,6 +61,12 @@ def _extract_model_name(
         if serialized.get("kwargs").get("deployment_name"):
             deployment_name = serialized.get("kwargs").get("deployment_name")
 
+        if not isinstance(deployment_name, str):
+            return None
+
+        if not isinstance(deployment_version, str):
+            return deployment_name
+
         return (
             deployment_name + "-" + deployment_version
             if deployment_version not in deployment_name