Update app.py

app.py

@@ -17,7 +17,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     def __init__(self):
         self.agent=Agent(
-            model=Nvidia(id="meta/llama-3.3-70b-instruct",nvidia_api_key=os.getenv("NVIDIA_API_KEY")),
+            model=Nvidia(id="meta/llama-3.3-70b-instruct"),
             instructions='''
             ## 🚀 Gaia Taskmaster: The Ultimate Agent Efficiency Prompt! 🌍