check for the existence of the default accelerate config that can cre…

…ate headaches (axolotl-ai-cloud#561)

scripts/finetune.py

@@ -14,6 +14,7 @@
 import yaml
 
 # add src to the pythonpath so we don't need to pip install this
+from accelerate.commands.config import config_args
 from art import text2art
 from transformers import GenerationConfig, TextStreamer
 
@@ -254,9 +255,17 @@ def load_datasets(
     )
 
 
+def check_accelerate_default_config():
+    if Path(config_args.default_yaml_config_file).exists():
+        LOG.warning(
+            f"accelerate config file found at {config_args.default_yaml_config_file}. This can lead to unexpected errors"
+        )
+
+
 def do_cli(config: Path = Path("examples/"), **kwargs):
     print_axolotl_text_art()
     parsed_cfg = load_cfg(config, **kwargs)
+    check_accelerate_default_config()
     parser = transformers.HfArgumentParser((TrainerCliArgs))
     parsed_cli_args, _ = parser.parse_args_into_dataclasses(
         return_remaining_strings=True