Add defaults

timm/models/convit.py

@@ -19,8 +19,9 @@ import torch.nn as nn
 def _cfg(url='', **kwargs):
     return {
         'url': url,
-        'num_classes': 1000, 'input_size': (3, 224, 224), 
+        'num_classes': 1000, 'input_size': (3, 224, 224), 'pool_size': None,
         'mean': IMAGENET_DEFAULT_MEAN, 'std': IMAGENET_DEFAULT_STD,
+        'first_conv': 'patch_embed.proj', 'classifier': 'head',
         **kwargs
     }