Update crew.py

crew.py

@@ -13,7 +13,7 @@ from openinference.instrumentation.crewai import CrewAIInstrumentor
 from phoenix.otel import register
 from util import get_final_answer
 
-CREW_MODEL = "gpt-4.5-preview"
+MANAGER_MODEL = "gpt-4.5-preview"
 AGENT_MODEL = "gpt-4.5-preview"
 
 PHOENIX_API_KEY = os.environ["PHOENIX_API_KEY"]
@@ -83,6 +83,13 @@ def run_crew(question, file_name):
         verbose=False
     )
 
+    manager_agent = Agent(
+        role="Manager",
+        goal="Select one of your agents to answer question \"{topic}\" ",
+        backstory="As an expert manager assistant, you select one of your agents to answer the question. ",
+        allow_delegation=True,
+    )
+
     # Tasks
 
     image_analysis_task = Task(
@@ -107,17 +114,25 @@ def run_crew(question, file_name):
         agent=web_search_agent,
         description="Search the web to help answer question \"{topic}\", then scrape the most relevant web page. ",
         expected_output="Content to help answer the question. "
-    )    
+    )
 
+    manager_task = Task(
+        agent=manager_agent,
+        description="Select one of your agents to answer question \"{topic}\" ",
+        expected_output="The answer to the question. "
+    )
+    
     # Crew
     
     crew = Crew(
         agents=[image_analysis_agent, python_coding_agent, web_search_agent, video_analysis_agent],
-        planning=True,
-        planning_llm=CREW_MODEL,
-        process=Process.sequential,
-        tasks=[image_analysis_task, python_coding_task, web_search_task, video_analysis_task],
-        verbose=False
+        #planning=True,
+        manager_agent=manager_agent,
+        manager_llm=MANAGER_MODEL,
+        process=Process.hierarchical,
+        #tasks=[image_analysis_task, python_coding_task, web_search_task, video_analysis_task],
+        tasks=[manager_task],
+        verbose=True
     )
 
     if file_name: