Merge pull request #437 from kohya-ss/dev

fix tensorboard logging without log_with

README.md

@@ -127,6 +127,11 @@ The majority of scripts is licensed under ASL 2.0 (including codes from Diffuser
 
 ## Change History
 
+### 23 Apr. 2023, 2023/4/23:
+
+- Fixed to log to TensorBoard when `--logging_dir` is specified and `--log_with` is not specified.
+- `--logging_dir`を指定し`--log_with`を指定しない場合に、以前と同様にTensorBoardへログ出力するよう修正しました。
+
 ### 22 Apr. 2023, 2023/4/22:
 
 - Added support for logging to wandb. Please refer to [PR #428](https://github.com/kohya-ss/sd-scripts/pull/428). Thank you p1atdev!

library/train_util.py

@@ -2758,7 +2758,10 @@ def prepare_accelerator(args: argparse.Namespace):
         logging_dir = args.logging_dir + "/" + log_prefix + time.strftime("%Y%m%d%H%M%S", time.localtime())
 
     if args.log_with is None:
-        log_with = None
+        if logging_dir is not None:
+            log_with = "tensorboard"
+        else:
+            log_with = None
     else:
         log_with = args.log_with
         if log_with in ["tensorboard", "all"]: