Update agent.py

agent.py

@@ -111,11 +111,11 @@ class BasicAgent:
             api_key=OPENROUTER_API_KEY,
         )
         """
-        model_id = "ollama_chat/llama3:8b-instruct-q8_0"
+        model_id = "ollama_chat/qwen2:7b"
         model = LiteLLMModel(
             model_id=model_id,
-            api_key='ollama',
-            num_ctx=8192
+            api_base="http://127.0.0.1:11434",
+            num_ctx=8192,
         )
         tools = [
             DuckDuckGoSearchTool(),