From fdaca098d95420b7d071d47ea95cc029a8fe6de0 Mon Sep 17 00:00:00 2001
From: Gabriel Luiz Freitas Almeida <gabriel@logspace.ai>
Date: Thu, 23 Nov 2023 10:03:27 -0300
Subject: [PATCH] Fix error in evaluating custom component code

---
 src/backend/langflow/interface/types.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/backend/langflow/interface/types.py b/src/backend/langflow/interface/types.py
index f460edf68..092b553bd 100644
--- a/src/backend/langflow/interface/types.py
+++ b/src/backend/langflow/interface/types.py
@@ -203,9 +203,14 @@ def build_field_config(custom_component: CustomComponent, user_id: Optional[Unio
     """Build the field configuration for a custom component"""
 
     try:
-        custom_class = eval_custom_component_code(custom_component.code)
+        if custom_component.code is None:
+            return {}
+        elif isinstance(custom_component.code, str):
+            custom_class = eval_custom_component_code(custom_component.code)
+        else:
+            raise ValueError("Invalid code type")
     except Exception as exc:
-        logger.error(f"Error while getting custom function: {str(exc)}")
+        logger.error(f"Error while evaluating custom component code: {str(exc)}")
         raise HTTPException(
             status_code=400,
             detail={