Change default weights filename + default branch is main

cc @sgugger

timm/models/helpers.py

@@ -198,7 +198,7 @@ def load_pretrained(model, cfg=None, num_classes=1000, in_chans=3, filter_fn=Non
 
     if hf_checkpoint is not None:
         # TODO, progress is ignored.
-        url = hf_hub_url(hf_checkpoint, "pytorch_model.pth", revision=hf_revision)
+        url = hf_hub_url(hf_checkpoint, "pytorch_model.bin", revision=hf_revision)
         cached_filed = cached_download(
             url, library_name="timm", library_version=__version__, cache_dir=get_cache_dir()
         )

timm/models/resnet.py

@@ -53,7 +53,7 @@ default_cfgs = {
         interpolation='bicubic'),
     'resnet50d': _cfg(
         url='https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/resnet50d_ra2-464e36ba.pth',
-        hf_revision="master", hf_model_id="sgugger/resnet50d",
+        hf_revision="main", hf_model_id="sgugger/resnet50d",
         interpolation='bicubic', first_conv='conv1.0'),
     'resnet101': _cfg(url='', interpolation='bicubic'),
     'resnet101d': _cfg(