Get data from Validate Nodes and display it on Tooltip

src/backend/langflow/api/validate.py

@@ -10,6 +10,7 @@ from langflow.api.base import (
 from langflow.interface.run import build_graph
 from langflow.utils.logger import logger
 from langflow.utils.validate import validate_code
+import json
 
 # build router
 router = APIRouter(prefix="/validate", tags=["validate"])
@@ -46,8 +47,8 @@ def post_validate_node(node_id: str, data: dict):
         node = graph.get_node(node_id)
         if node is not None:
             _ = node.build()
-            return str(node.params)
-        raise Exception(f"Node {node_id} not found")
+            return json.dumps({'valid': True, 'params': str(node.params)})
+        else:
+            return json.dumps({'valid': False})
     except Exception as e:
         logger.error(e)
-        raise HTTPException(status_code=500, detail=str(e)) from e