diff --git a/openspeech/__init__.py b/openspeech/__init__.py
index 4fdd443..aa32dcd 100644
--- a/openspeech/__init__.py
+++ b/openspeech/__init__.py
@@ -25,10 +25,9 @@
 import openspeech.dataclass
 import openspeech.datasets
 import openspeech.decoders
-import openspeech.optim
 import openspeech.encoders
 import openspeech.metrics
-import openspeech.optim
 import openspeech.models
+import openspeech.optim
 import openspeech.search
 import openspeech.tokenizers