YOLOv5 OpenVINO PyTorch Hub inference fix (#7826)

Resolves bug report #7817

hubconf.py

@@ -39,7 +39,7 @@ def _create(name, pretrained=True, channels=3, classes=80, autoshape=True, verbo
 
     check_requirements(exclude=('tensorboard', 'thop', 'opencv-python'))
     name = Path(name)
-    path = name.with_suffix('.pt') if name.suffix == '' else name  # checkpoint path
+    path = name.with_suffix('.pt') if name.suffix == '' and not name.is_dir() else name  # checkpoint path
     try:
         device = select_device(('0' if torch.cuda.is_available() else 'cpu') if device is None else device)