Update hieradet.py

ufmt formatting fixed.

sam2/modeling/backbones/hieradet.py

@@ -47,7 +47,6 @@ class MultiScaleAttention(nn.Module):
         self.dim = dim
         self.dim_out = dim_out
         self.num_heads = num_heads
-    
         self.q_pool = q_pool
         self.qkv = nn.Linear(dim, dim_out * 3)
         self.proj = nn.Linear(dim_out, dim_out)