diff --git a/extras/resampler.py b/extras/resampler.py
index 539f309..10e5897 100644
--- a/extras/resampler.py
+++ b/extras/resampler.py
@@ -1,6 +1,4 @@
 # modified from https://github.com/mlfoundations/open_flamingo/blob/main/open_flamingo/src/helpers.py
-import math
-
 import torch
 import torch.nn as nn
 
@@ -65,7 +63,7 @@ class PerceiverAttention(nn.Module):
         v = reshape_tensor(v, self.heads)
 
         # attention
-        scale = 1 / math.sqrt(math.sqrt(self.dim_head))
+        scale = 1 / (self.dim_head ** 0.5)	
         weight = (q * scale) @ (k * scale).transpose(-2, -1) # More stable with f16 than dividing afterwards
         weight = torch.softmax(weight.float(), dim=-1).type(weight.dtype)
         out = weight @ v