GUI: logging error in auth

gui/src/aaregui/auth.py

@@ -4,6 +4,10 @@ import requests
 
 from aaredaqlib.models import TokenData
 
+from aaredaqlib.logger_config import setup_logger
+
+logger = setup_logger(__name__)
+
 def auth(base_url: str | None) -> str:
     curr_user = os.getlogin()
     if base_url is None:
@@ -31,6 +35,6 @@ def auth(base_url: str | None) -> str:
                 return response_json["access_token"]
 
     except requests.RequestException as e:
-        print(f"Authentication request failed: {e}")
+        logger.error(f"Authentication request failed: {e}")
 
     return ""