Update app.py

app.py

@@ -2,7 +2,6 @@ import os
 import gradio as gr
 import requests
 import pandas as pd
-import re
 
 # ===========================
 # Constants
@@ -10,7 +9,7 @@ import re
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # ===========================
-# GAIA Agent Logic (65% version)
+# GAIA Agent (65% version)
 # ===========================
 class HybridAgent65:
     def __init__(self):
@@ -41,17 +40,6 @@ class HybridAgent65:
 
     # Fallback
     def fallback(self, q):
-        q_lower = q.lower()
-        if any(op in q for op in ['+', '-', '*', '/']):
-            nums = [float(n) for n in re.findall(r'-?\d+\.?\d*', q)[:2]]
-            if len(nums) == 2:
-                if '+' in q: return str(int(nums[0]+nums[1]))
-                if '-' in q: return str(int(nums[0]-nums[1]))
-                if '*' in q: return str(int(nums[0]*nums[1]))
-                if '/' in q: return str(nums[0]/nums[1])
-        if 'how many' in q_lower:
-            numbers = re.findall(r'\b\d+\b', q)
-            return numbers[-1] if numbers else "2"
         return "Unknown"
 
     def __call__(self, question):
@@ -64,11 +52,12 @@ class HybridAgent65:
 # Run & Submit
 # ===========================
 def run_and_submit_all(profile_state):
+    # profile_state 存了 HF profile
     profile = profile_state.value if isinstance(profile_state, gr.State) else profile_state
     if not profile:
         return "❌ Please login with your Hugging Face account.", None
 
-    username = profile["username"] if isinstance(profile, dict) else profile.username
+    username = profile["username"] if isinstance(profile, dict) else getattr(profile, "username", "local_user")
     space_id = os.getenv("SPACE_ID", "unknown")
     agent_code = f"https://huggingface.co/spaces/{space_id}/tree/main"
 
@@ -113,7 +102,7 @@ def run_and_submit_all(profile_state):
         return f"❌ Submission failed: {e}", pd.DataFrame(results_log)
 
 # ===========================
-# Gradio Interface (stable for HF login)
+# Gradio Interface
 # ===========================
 with gr.Blocks() as demo:
     gr.Markdown("# 🎯 Hybrid GAIA Agent (65% Version)")
@@ -129,7 +118,7 @@ with gr.Blocks() as demo:
     # State to store HF profile
     user_state = gr.State()
 
-    # LoginButton stores profile into state
+    # LoginButton 存 profile 到 state
     login_btn = gr.LoginButton()
     login_btn.click(lambda p: p, inputs=[login_btn], outputs=[user_state])