Remove unecessary LongTensor in EfficientFormer. Possibly maybe fix #1878

Author: rwightman

timm/models/efficientformer.py

@@ -67,7 +67,7 @@ def __init__(
         rel_pos = (pos[..., :, None] - pos[..., None, :]).abs()
         rel_pos = (rel_pos[0] * resolution[1]) + rel_pos[1]
         self.attention_biases = torch.nn.Parameter(torch.zeros(num_heads, resolution[0] * resolution[1]))
-        self.register_buffer('attention_bias_idxs', torch.LongTensor(rel_pos))
+        self.register_buffer('attention_bias_idxs', rel_pos)
         self.attention_bias_cache = {}  # per-device attention_biases cache (data-parallel compat)
 
     @torch.no_grad()