also gathering file names in file_utils

pytorch_transformers/configuration_utils.py

@@ -24,12 +24,10 @@ import logging
 import os
 from io import open
 
-from .file_utils import cached_path
+from .file_utils import cached_path, CONFIG_NAME
 
 logger = logging.getLogger(__name__)
 
-CONFIG_NAME = "config.json"
-
 class PretrainedConfig(object):
     r""" Base class for all configuration classes.
         Handles a few parameters common to all models' configurations as well as methods for loading/downloading/saving configurations.