make wandb histograms work again

codes/train.py

@@ -238,6 +238,12 @@ class Trainer:
                         self.tb_logger.add_scalar(k, v, self.current_step)
             if opt['wandb'] and self.rank <= 0:
                 import wandb
+                wandb_logs = {}
+                for k, v in logs.items():
+                    if 'histogram' in k:
+                        wandb_logs[k] = wandb.Histogram(v)
+                    else:
+                        wandb_logs[k] = v
                 if opt_get(opt, ['wandb_progress_use_raw_steps'], False):
                     wandb.log(logs, step=self.current_step)
                 else: