From 1985ff7918da28cc542f5388c94a35add317a280 Mon Sep 17 00:00:00 2001
From: so95 <is.thaison@gmail.com>
Date: Mon, 31 Mar 2025 13:46:29 +0700
Subject: [PATCH] add type canvas (#6680)

add type canvas
### Type of change
- [x] Refactoring
---
 agent/component/base.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/agent/component/base.py b/agent/component/base.py
index 4138ba9b4..eee28b442 100644
--- a/agent/component/base.py
+++ b/agent/component/base.py
@@ -396,6 +396,8 @@ class ComponentBase(ABC):
         )
 
     def __init__(self, canvas, id, param: ComponentParamBase):
+        from agent.canvas import Canvas  # Local import to avoid cyclic dependency
+        assert isinstance(canvas, Canvas), "canvas must be an instance of Canvas"
         self._canvas = canvas
         self._id = id
         self._param = param