From cedfad541db71c409cf3adb5904494749fe4d1ee Mon Sep 17 00:00:00 2001
From: William FH <13333726+hinthornw@users.noreply.github.com>
Date: Tue, 29 Aug 2023 16:14:32 -0700
Subject: [PATCH] don't emit none from eval config (#9963)

---
 libs/langchain/langchain/smith/evaluation/config.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/langchain/langchain/smith/evaluation/config.py b/libs/langchain/langchain/smith/evaluation/config.py
index 9348e2d81..3f8224d7c 100644
--- a/libs/langchain/langchain/smith/evaluation/config.py
+++ b/libs/langchain/langchain/smith/evaluation/config.py
@@ -48,6 +48,8 @@ class EvalConfig(BaseModel):
         for field, val in self:
             if field == "evaluator_type":
                 continue
+            elif val is None:
+                continue
             kwargs[field] = val
         return kwargs