bugfix

helpers.py

@@ -35,7 +35,16 @@ import requests
 from bs4 import BeautifulSoup
 import pandas as pd
 import openai
-from openai.error import AuthenticationError, OpenAIError, RateLimitError, APIError, Timeout, InvalidRequestError, ServiceUnavailableError
+# NEU: Fehlerklassen werden direkt von openai importiert
+from openai import (
+    AuthenticationError,
+    OpenAIError,
+    RateLimitError,
+    APIError,
+    Timeout,
+    InvalidRequestError,
+    APIConnectionError, # ServiceUnavailableError ist oft APIConnectionError
+)
 from config import (Config, BRANCH_MAPPING_FILE, URL_CHECK_MARKER, USER_AGENTS, LOG_DIR)
 
 # Optionale Bibliotheken