diff --git a/speechserving/speechserving/restful/api.py b/speechserving/speechserving/restful/api.py
index e25a315802eb8dfc94c71769670aa30e07c19bca..c6250ce76d2cb392363f0a9160c61cf2beb30748 100644
--- a/speechserving/speechserving/restful/api.py
+++ b/speechserving/speechserving/restful/api.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 from fastapi import APIRouter
 
-
 from .tts_api import router as tts_router
 #from .asr_api import router as asr_router
 
diff --git a/speechserving/speechserving/restful/request.py b/speechserving/speechserving/restful/request.py
index 32f157d36621ad9f7a1b68419dedc444d4ca793b..58a0f08de4aa772dae6e18f76b6f52e4fb6a558b 100644
--- a/speechserving/speechserving/restful/request.py
+++ b/speechserving/speechserving/restful/request.py
@@ -19,6 +19,7 @@ from pydantic import BaseModel
 __all__ = ['ASRRequest', 'TTSRequest']
 
 
+
 #****************************************************************************************/
 #************************************ ASR request ***************************************/
 #****************************************************************************************/
@@ -66,3 +67,4 @@ class TTSRequest(BaseModel):
     sample_rate: int = 0
     save_path: str = None
     audio_format: str = "wav"
+