[FBcode->GH] Moving logging on base class. (#4319)

torchvision/datasets/cifar.py

@@ -59,7 +59,6 @@ class CIFAR10(VisionDataset):
 
         super(CIFAR10, self).__init__(root, transform=transform,
                                       target_transform=target_transform)
-        torch._C._log_api_usage_once(f"torchvision.datasets.{self.__class__.__name__}")
 
         self.train = train  # training set or test set
 

torchvision/datasets/mnist.py

@@ -77,7 +77,6 @@ class MNIST(VisionDataset):
     ) -> None:
         super(MNIST, self).__init__(root, transform=transform,
                                     target_transform=target_transform)
-        torch._C._log_api_usage_once(f"torchvision.datasets.{self.__class__.__name__}")
         self.train = train  # training set or test set
 
         if self._check_legacy_exist():

torchvision/datasets/vision.py

@@ -31,6 +31,7 @@ class VisionDataset(data.Dataset):
             transform: Optional[Callable] = None,
             target_transform: Optional[Callable] = None,
     ) -> None:
+        torch._C._log_api_usage_once(f"torchvision.datasets.{self.__class__.__name__}")
         if isinstance(root, torch._six.string_classes):
             root = os.path.expanduser(root)
         self.root = root