fix: don't write the StopEvent from sub task to the stream (#319)

.changeset/eighty-berries-tie.md

+---
+"create-llama": patch
+---
+
+Fix only produces one agent event

templates/types/multiagent/fastapi/app/agents/planner.py

@@ -129,7 +129,9 @@ class StructuredPlannerAgent(Workflow):
         )
         # bubble all events while running the executor to the planner
         async for event in handler.stream_events():
-            ctx.write_event_to_stream(event)
+            # Don't write the StopEvent from sub task to the stream
+            if type(event) is not StopEvent:
+                ctx.write_event_to_stream(event)
         result: AgentRunResult = await handler
         if self._verbose:
             print("=== Done executing sub task ===\n")

templates/types/multiagent/fastapi/app/examples/workflow.py

@@ -133,5 +133,7 @@ Review:
         handler = agent.run(input=input, streaming=streaming)
         # bubble all events while running the executor to the planner
         async for event in handler.stream_events():
-            ctx.write_event_to_stream(event)
+            # Don't write the StopEvent from sub task to the stream
+            if type(event) is not StopEvent:
+                ctx.write_event_to_stream(event)
         return await handler