fix: planning feature output (#969)

* fix: planning feature output

* fix: add validation for planning result

src/crewai/crew.py

@@ -561,8 +561,13 @@ class Crew(BaseModel):
         self._logger.log("info", "Planning the crew execution")
         result = CrewPlanner(self.tasks)._handle_crew_planning()
 
-        for task, step_plan in zip(self.tasks, result.list_of_plans_per_task):
-            task.description += step_plan
+        if result is not None and hasattr(result, "list_of_plans_per_task"):
+            for task, step_plan in zip(self.tasks, result.list_of_plans_per_task):
+                task.description += step_plan
+        else:
+            self._logger.log(
+                "info", "Something went wrong with the planning process of the Crew"
+            )
 
     def _store_execution_log(
         self,

src/crewai/utilities/planning_handler.py

@@ -1,4 +1,4 @@
-from typing import List
+from typing import List, Optional
 
 from pydantic import BaseModel
 
@@ -14,14 +14,14 @@ class CrewPlanner:
     def __init__(self, tasks: List[Task]):
         self.tasks = tasks
 
-    def _handle_crew_planning(self):
+    def _handle_crew_planning(self) -> Optional[BaseModel]:
         """Handles the Crew planning by creating detailed step-by-step plans for each task."""
         planning_agent = self._create_planning_agent()
         tasks_summary = self._create_tasks_summary()
 
         planner_task = self._create_planner_task(planning_agent, tasks_summary)
 
-        return planner_task.execute_sync()
+        return planner_task.execute_sync().pydantic
 
     def _create_planning_agent(self) -> Agent:
         """Creates the planning agent for the crew planning."""