diff --git a/model/DDGCRN/DDGCRN.py b/model/DDGCRN/DDGCRN.py
index cdf1cc9..368b3dc 100644
--- a/model/DDGCRN/DDGCRN.py
+++ b/model/DDGCRN/DDGCRN.py
@@ -116,3 +116,4 @@ class DGCN(nn.Module):
         D_inv = torch.diag_embed(torch.sum(graph, -1) ** (-0.5))
         return torch.matmul(torch.matmul(D_inv, graph), D_inv) if normalize else torch.matmul(
             torch.matmul(D_inv, graph + I), D_inv)
+ 
\ No newline at end of file