From 3b4b2ea30cbd86e193b94fc8bf845bc9bedce4df Mon Sep 17 00:00:00 2001
From: Ashwin Bharambe <ashwin.bharambe@gmail.com>
Date: Wed, 18 Dec 2024 13:48:30 -0800
Subject: [PATCH] fix replace_env_vars bug

---
 llama_stack/distribution/stack.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llama_stack/distribution/stack.py b/llama_stack/distribution/stack.py
index 5671082d5..f5180b0db 100644
--- a/llama_stack/distribution/stack.py
+++ b/llama_stack/distribution/stack.py
@@ -144,7 +144,7 @@ def replace_env_vars(config: Any, path: str = "") -> Any:
                 if default_val is None:
                     raise EnvVarError(env_var, path)
                 else:
-                    value = default_val if default_val != "null" else None
+                    value = default_val
 
             # expand "~" from the values
             return os.path.expanduser(value)