From relative to absolute imports

configuration_bert2d.py

@@ -18,10 +18,7 @@
 from collections import OrderedDict
 from typing import Mapping
 
-from ...configuration_utils import PretrainedConfig
-from ...onnx import OnnxConfig
-from ...utils import logging
-
+from transformers import PretrainedConfig, OnnxConfig, logging
 
 logger = logging.get_logger(__name__)