From c57c5f58a76bff604257527b674ebc19612e0ac7 Mon Sep 17 00:00:00 2001
From: renyi9044-png <renyi9044@gmail.com>
Date: Thu, 16 Apr 2026 13:30:06 +0800
Subject: [PATCH] fix: remove hardcoded OTEL_LOG_LEVEL DEBUG and filter parent
 OTEL vars

Fixes #3357
---
 packages/python/src/index.ts | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/packages/python/src/index.ts b/packages/python/src/index.ts
index 6924802fd88..a62bfdcfef6 100644
--- a/packages/python/src/index.ts
+++ b/packages/python/src/index.ts
@@ -89,7 +89,12 @@ export const python = {
             nodeOptions: {
               ...(options.nodeOptions || {}),
               env: {
-                ...process.env,
+                // Filter out parent OTEL vars to prevent stderr flood
+                ...Object.fromEntries(
+                  Object.entries(process.env).filter(
+                    ([key]) => !key.startswith("OTEL_")
+                  )
+                ),
                 ...options.env,
                 TRACEPARENT: carrier["traceparent"],
                 OTEL_RESOURCE_ATTRIBUTES: `${
@@ -97,7 +102,6 @@ export const python = {
                 }=trigger,${Object.entries(taskContext.attributes)
                   .map(([key, value]) => `${key}=${value}`)
                   .join(",")}`,
-                OTEL_LOG_LEVEL: "DEBUG",
               },
             },
             throwOnError: false,
@@ -151,7 +155,12 @@ export const python = {
               nodeOptions: {
                 ...(options.nodeOptions || {}),
                 env: {
-                  ...process.env,
+                  // Filter out parent OTEL vars to prevent stderr flood
+                ...Object.fromEntries(
+                  Object.entries(process.env).filter(
+                    ([key]) => !key.startswith("OTEL_")
+                  )
+                ),
                   ...options.env,
                   TRACEPARENT: carrier["traceparent"],
                   OTEL_RESOURCE_ATTRIBUTES: `${