diff --git a/codes/models/gpt_voice/mini_encoder.py b/codes/models/gpt_voice/mini_encoder.py
index 8dd99883..bc04b1a5 100644
--- a/codes/models/gpt_voice/mini_encoder.py
+++ b/codes/models/gpt_voice/mini_encoder.py
@@ -90,7 +90,8 @@ class ResBlock(nn.Module):
 
 
 class AudioMiniEncoder(nn.Module):
-    def __init__(self, spec_dim,
+    def __init__(self,
+                 spec_dim,
                  embedding_dim,
                  base_channels=128,
                  depth=2,