diff --git a/.env.example b/.env.example
index f1e8cbdf9..055aaffc3 100644
--- a/.env.example
+++ b/.env.example
@@ -13,6 +13,7 @@ API_PORT=8000
 # Ensure UTF-8 encoding
 LANG=en_US.UTF-8
 TIMEZONE=America/New_York
+PYTHONIOENCODING=utf-8
 
 # Agent Settings
 AGENT_DEBUG_MODE=false
diff --git a/python/valuecell/__init__.py b/python/valuecell/__init__.py
index e49b81bb3..a4e93b21d 100644
--- a/python/valuecell/__init__.py
+++ b/python/valuecell/__init__.py
@@ -14,6 +14,3 @@
     "__author__",
     "__description__",
 ]
-
-# registers agents on import
-import valuecell.agents as _  # noqa: F401