added file ext

app.py

@@ -13,10 +13,10 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
-    def __call__(self, question: str, file_name: str) -> str:
+    def __call__(self, question: str, file_name: str | None, file_ext: str | None) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         if file_name:
-            print(f"\tAssociated File: {file_name}")
+            print(f"\tAssociated File URL: {file_name}\tFile Extension: {file_ext}")
         fixed_answer = "This is a default answer."
         print(f"Agent returning fixed answer: {fixed_answer}")
         return fixed_answer
@@ -82,7 +82,9 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
             print(f"Skipping item with missing task_id or question: {item}")
             continue
         file_name = item.get("file_name")
+        file_ext = None
         if file_name:
+            file_ext = file_name.split(".")[-1]
             file_name = f"{api_url}/files/{task_id}"
         try:
             submitted_answer = agent(question_text, file_name)