revert logger.py

Signed-off-by: Yuki Huang <[email protected]>

Author: yuki-97

nemo_rl/utils/logger.py

@@ -832,7 +832,7 @@ def __init__(self, cfg: LoggerConfig):
             self.wandb_logger = WandbLogger(cfg["wandb"], log_dir=wandb_log_dir)
             self.loggers.append(self.wandb_logger)
 
-        if cfg.get("swanlab_enabled", False):
+        if cfg["swanlab_enabled"]:
             swanlab_log_dir = os.path.join(self.base_log_dir, "swanlab")
             os.makedirs(swanlab_log_dir, exist_ok=True)
             self.swanlab_logger = SwanlabLogger(cfg["swanlab"], log_dir=swanlab_log_dir)
@@ -862,7 +862,7 @@ def __init__(self, cfg: LoggerConfig):
                     f"{metric_prefix}/*", step_metric=step_metric
                 )
 
-            if cfg.get("swanlab_enabled", False) and self.swanlab_logger:
+            if cfg["swanlab_enabled"] and self.swanlab_logger:
                 self.swanlab_logger.define_metric(
                     f"{metric_prefix}/*", step_metric=step_metric
                 )