Update agent.py

agent.py

@@ -1,5 +1,5 @@
 import os
-from smolagents import CodeAgent, DuckDuckGoSearchTool, tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, tool, HfApiModel
 
 @tool
 def calculate_math(expression: str) -> str:
@@ -17,15 +17,16 @@ def calculate_math(expression: str) -> str:
 
 class CourseEvaluationAgent:
     def __init__(self):
-        print("[Agent System] Booting Engine using direct Hub pipeline...")
+        print("[Agent System] Booting Engine...")
         
-        # FIX: We bypass all model objects/classes completely. 
-        # In this smolagents version, passing the model ID as a string parameter 
-        # to 'model_id=' tells the CodeAgent constructor to directly instantiate 
-        # its own internal client, safely avoiding the abstract ApiModel constraint.
+        # FIX: Positionally instantiate HfApiModel so it builds the concrete client.
+        # This satisfies CodeAgent's strict requirement for an active 'model' instance.
+        self.model = HfApiModel("meta-llama/Llama-3.3-70B-Instruct")
+        
+        # Build the functional CodeAgent, supplying the mandatory positional model parameter
         self.agent = CodeAgent(
+            model=self.model,
             tools=[DuckDuckGoSearchTool(), calculate_math], 
-            model_id="meta-llama/Llama-3.3-70B-Instruct",
             max_steps=5,      # Prevents long execution delays or infinite loops
             verbosity_level=1
         )