Update variable default_api_url

agent_gemini.py

@@ -32,6 +32,7 @@ from tools_browser import website_scrape, web_search
 from answers import create_final_answer_graph, validate_answer
 
 logger = logging.getLogger(__name__)
+DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 
 class BasicAgent:
@@ -124,7 +125,8 @@ class BasicAgent:
         # Create a temporary directory that will be automatically cleaned up
         with tempfile.TemporaryDirectory() as temp_dir:
             while attempt < max_retries:
-                default_api_url = os.getenv("DEFAULT_API_URL")
+                # default_api_url = os.getenv("DEFAULT_API_URL")
+                default_api_url = DEFAULT_API_URL
                 file_url = f"{default_api_url}/files/{task_id}"
 
                 try:

app.py

@@ -14,6 +14,7 @@ from agent_gemini import BasicAgent
 # Load environment variables from .env file
 load_dotenv()
 
+DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # Configure logging
 logging.basicConfig(