De-thread TensorBoard graph logging (ultralytics#9071)

* De-thread TensorBoard graph logging

Issues with Classification models

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update __init__.py

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

utils/loggers/__init__.py

@@ -11,7 +11,7 @@
 import torch
 from torch.utils.tensorboard import SummaryWriter
 
-from utils.general import colorstr, cv2, threaded
+from utils.general import colorstr, cv2
 from utils.loggers.clearml.clearml_utils import ClearmlLogger
 from utils.loggers.wandb.wandb_utils import WandbLogger
 from utils.plots import plot_images, plot_labels, plot_results
@@ -292,7 +292,6 @@ def log_model(self, model_path, epoch=0, metadata={}):
             wandb.log_artifact(art)
 
 
-@threaded
 def log_tensorboard_graph(tb, model, imgsz=(640, 640)):
     # Log model graph to TensorBoard
     try: