fix: send missing node state updates events

Author: cristipufu

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "uipath-langchain"
-version = "0.5.49"
+version = "0.5.50"
 description = "Python SDK that enables developers to build and deploy LangGraph agents to the UiPath Cloud Platform"
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.11"

src/uipath_langchain/runtime/runtime.py

@@ -167,12 +167,13 @@ async def stream(
                         for node_name, agent_data in data.items():
                             if node_name in ("__metadata__",):
                                 continue
-                            if isinstance(agent_data, dict):
-                                state_event = UiPathRuntimeStateEvent(
-                                    payload=serialize_output(agent_data),
-                                    node_name=node_name,
-                                )
-                                yield state_event
+                            state_event = UiPathRuntimeStateEvent(
+                                payload=serialize_output(agent_data)
+                                if isinstance(agent_data, dict)
+                                else {},
+                                node_name=node_name,
+                            )
+                            yield state_event
 
             # Extract output from final chunk
             graph_output = self._extract_graph_result(final_chunk)