bug fix

app.py

@@ -6,6 +6,7 @@ import requests
 import pandas as pd
 from langchain_core.messages import HumanMessage
 from agent import build_graph
+import time
 
 
 
@@ -63,24 +64,32 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
 
     # 2. Fetch Questions
     print(f"Fetching questions from: {questions_url}")
-    try:
-        response = requests.get(questions_url, timeout=15)
-        response.raise_for_status()
-        questions_data = response.json()
-        if not questions_data:
-             print("Fetched questions list is empty.")
-             return "Fetched questions list is empty or invalid format.", None
-        print(f"Fetched {len(questions_data)} questions.")
-    except requests.exceptions.RequestException as e:
-        print(f"Error fetching questions: {e}")
-        return f"Error fetching questions: {e}", None
-    except requests.exceptions.JSONDecodeError as e:
-         print(f"Error decoding JSON response from questions endpoint: {e}")
-         print(f"Response text: {response.text[:500]}")
-         return f"Error decoding server response for questions: {e}", None
-    except Exception as e:
-        print(f"An unexpected error occurred fetching questions: {e}")
-        return f"An unexpected error occurred fetching questions: {e}", None
+    for i in range(5):
+        try:
+            response = requests.get(questions_url, timeout=15)
+            response.raise_for_status()
+            questions_data = response.json()
+            if not questions_data:
+                 print("Fetched questions list is empty.")
+                 return "Fetched questions list is empty or invalid format.", None
+            print(f"Fetched {len(questions_data)} questions.")
+            break
+        except requests.exceptions.RequestException as e:
+            print(f"Error fetching questions: {e}")
+            return f"Error fetching questions: {e}", None
+        except requests.exceptions.JSONDecodeError as e:
+             print(f"Error decoding JSON response from questions endpoint: {e}")
+             print(f"Response text: {response.text[:500]}")
+             return f"Error decoding server response for questions: {e}", None
+        except Exception as e:
+            print(f"An unexpected error occurred fetching questions: {e}")
+            return f"An unexpected error occurred fetching questions: {e}", None
+        except requests.exceptions.HTTPError as e:
+            if response.status_code == 429:
+                print("429 Too Many Requests. Waiting before retry...")
+                time.sleep(30)  # 30秒待つ
+            else:
+                raise
 
     # 3. Run your Agent
     results_log = []