New global TQDM_BAR_FORMAT (#10211)

* New global TQDM_BAR_FORMAT

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

utils/general.py

@@ -50,6 +50,7 @@ NUM_THREADS = min(8, max(1, os.cpu_count() - 1))  # number of YOLOv5 multiproces
 DATASETS_DIR = Path(os.getenv('YOLOv5_DATASETS_DIR', ROOT.parent / 'datasets'))  # global datasets directory
 AUTOINSTALL = str(os.getenv('YOLOv5_AUTOINSTALL', True)).lower() == 'true'  # global auto-install mode
 VERBOSE = str(os.getenv('YOLOv5_VERBOSE', True)).lower() == 'true'  # global verbose mode
+TQDM_BAR_FORMAT = '{l_bar}{bar:10}| {n_fmt}/{total_fmt} {elapsed}'  # tqdm bar format
 FONT = 'Arial.ttf'  # https://ultralytics.com/assets/Arial.ttf
 
 torch.set_printoptions(linewidth=320, precision=5, profile='long')