ultralytics 8.1.29 improved disk space checking on correct path (#8977)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: Kayzwer <68285002+Kayzwer@users.noreply.github.com>

ultralytics/nn/modules/block.py

@@ -57,7 +57,7 @@ class DFL(nn.Module):
 
     def forward(self, x):
         """Applies a transformer layer on input tensor 'x' and returns a tensor."""
-        b, c, a = x.shape  # batch, channels, anchors
+        b, _, a = x.shape  # batch, channels, anchors
         return self.conv(x.view(b, 4, self.c1, a).transpose(2, 1).softmax(1)).view(b, 4, a)
         # return self.conv(x.view(b, self.c1, 4, a).softmax(1)).view(b, 4, a)