Update weights of classification models to allow proper unpickling (#3620)

* Update URLS of detection models

* Empty commit after setting  read permission on S3
Co-authored-by: Francisco Massa <fvsmassa@gmail.com>

torchvision/models/alexnet.py

@@ -8,7 +8,7 @@ __all__ = ['AlexNet', 'alexnet']
 
 
 model_urls = {
-    'alexnet': 'https://download.pytorch.org/models/alexnet-owt-4df8aa71.pth',
+    'alexnet': 'https://download.pytorch.org/models/alexnet-owt-7be5be79.pth',
 }
 
 

torchvision/models/resnet.py

@@ -11,11 +11,11 @@ __all__ = ['ResNet', 'resnet18', 'resnet34', 'resnet50', 'resnet101',
 
 
 model_urls = {
-    'resnet18': 'https://download.pytorch.org/models/resnet18-5c106cde.pth',
-    'resnet34': 'https://download.pytorch.org/models/resnet34-333f7ec4.pth',
-    'resnet50': 'https://download.pytorch.org/models/resnet50-19c8e357.pth',
-    'resnet101': 'https://download.pytorch.org/models/resnet101-5d3b4d8f.pth',
-    'resnet152': 'https://download.pytorch.org/models/resnet152-b121ed2d.pth',
+    'resnet18': 'https://download.pytorch.org/models/resnet18-f37072fd.pth',
+    'resnet34': 'https://download.pytorch.org/models/resnet34-b627a593.pth',
+    'resnet50': 'https://download.pytorch.org/models/resnet50-0676ba61.pth',
+    'resnet101': 'https://download.pytorch.org/models/resnet101-63fe2227.pth',
+    'resnet152': 'https://download.pytorch.org/models/resnet152-394f9c45.pth',
     'resnext50_32x4d': 'https://download.pytorch.org/models/resnext50_32x4d-7cdf4587.pth',
     'resnext101_32x8d': 'https://download.pytorch.org/models/resnext101_32x8d-8ba56ff5.pth',
     'wide_resnet50_2': 'https://download.pytorch.org/models/wide_resnet50_2-95faca4d.pth',