Revert propagation (#10171)

src/transformers/utils/logging.py

@@ -85,6 +85,7 @@ def _configure_library_root_logger() -> None:
         library_root_logger = _get_library_root_logger()
         library_root_logger.addHandler(_default_handler)
         library_root_logger.setLevel(_get_default_logging_level())
+        library_root_logger.propagate = False
 
 
 def _reset_library_root_logger() -> None: