added youtube tool after checking question for test

agent.py

@@ -49,32 +49,35 @@ def real_number_calculator(
 
 
 
-    class CourseAgent:
+    class TestAgent:
         def __init__(self):
             
             # import code agent and basic tool from smolagent
-            from smolagents import CodeAgent, OpenAIServerModel, DuckDuckGoSearchTool, FinalAnswerTool, VisitWebpageTool
+            from smolagents import CodeAgent, OpenAIServerModel, DuckDuckGoSearchTool, FinalAnswerTool, VisitWebpageTool, MCPServerTool
 
             # import additional tool from langchain @ https://docs.langchain.com/oss/python/integrations/tools
             from langchain.agents import load_tools
             from smolagents import Tool
             wikipedia_tool = Tool.from_langchain(load_tools(["wikipedia"])[0])
+            wikipedia_tool.top_k_results=3
 
             # import tools from MCP servers @ https://github.com/mcp
             from mcp import StdioServerParameters
             server_parameters = StdioServerParameters(command="uvx",
-                                                      args=["--quiet", "pubmedmcp@0.1.3"],
+                                                      args=["--quiet", "youtubeqa@0.2.1"],
                                                       env={"UV_PYTHON": "3.12", **os.environ},
                                                      )
-            
+            youtube_tools = MCPServerTool(server_params=server_parameters)
+
             model = OpenAIServerModel(model_id="gpt-4o")
-            model = InferenceClientModel("Qwen/Qwen2.5-Coder-32B-Instruct")
+            #model = InferenceClientModel("Qwen/Qwen2.5-Coder-32B-Instruct")
             # Instantiate the agent
             self.agent = CodeAgent(
                 tools=[real_number_calculator(),        # homemade tool
                        DuckDuckGoSearchTool(),          # basic tools from smolagent
                        VisitWebpageTool(),
-                       wikipedia_tool(top_k_results=3), # tool from langchain with extra parmaeters
+                       wikipedia_tool,                  # tool from langchain with extra parmaeters
+                       youtube_tools,                   # tool from MCP server
                        FinalAnswerTool()],
                 model=model,
                 max_steps=3,
@@ -85,4 +88,4 @@ def real_number_calculator(
             print(f"Agent received question (first 50 chars): {question[:50]}...")
             answer = self.agent.invoke(question)
             print(f"Agent returning his answer: {answer}")
-            return fixed_answer
+            return answer