diff --git a/paddlespeech/__init__.py b/paddlespeech/__init__.py
index 6b36434b9dce7ec451d612b930dabf12e9494a85..44a47d289c8d1dce69339a4853eb96181b3ccb67 100644
--- a/paddlespeech/__init__.py
+++ b/paddlespeech/__init__.py
@@ -18,6 +18,4 @@ from . import audio
 # _init_audio_backend must called after audio import 
 audio.backends.utils._init_audio_backend()
 
-__all__ = [
-    "audio"
-]
+__all__ = ["audio"]
diff --git a/paddlespeech/audio/__init__.py b/paddlespeech/audio/__init__.py
index 4fab0d3bfa60e3e1afea63aa9b9a21d2e6b0dc96..26da1991ff0d821ecbb3e78273272a7df41a842c 100644
--- a/paddlespeech/audio/__init__.py
+++ b/paddlespeech/audio/__init__.py
@@ -11,7 +11,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 from . import compliance
 from . import datasets
 from . import features
@@ -19,10 +18,10 @@ from . import functional
 from . import io
 from . import metric
 from . import utils
-
 from ._ops import ops
-
-from paddlespeech.audio.backends import get_audio_backend, list_audio_backends, set_audio_backend
+from paddlespeech.audio.backends import get_audio_backend
+from paddlespeech.audio.backends import list_audio_backends
+from paddlespeech.audio.backends import set_audio_backend
 
 __all__ = [
     "io",
@@ -35,4 +34,4 @@ __all__ = [
     "list_audio_backends",
     "get_audio_backend",
     "set_audio_backend",
-]
\ No newline at end of file
+]
diff --git a/paddlespeech/audio/backends/__init__.py b/paddlespeech/audio/backends/__init__.py
index 38b45c899e603236e5422000b01cee5ad819bb3e..6c73ca43c37bb46d5bf77d7e686bf5ceab40c4ce 100644
--- a/paddlespeech/audio/backends/__init__.py
+++ b/paddlespeech/audio/backends/__init__.py
@@ -11,7 +11,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 # flake8: noqa
 from . import utils
-from .utils import get_audio_backend, list_audio_backends, set_audio_backend
\ No newline at end of file
+from .utils import get_audio_backend
+from .utils import list_audio_backends
+from .utils import set_audio_backend
diff --git a/paddlespeech/audio/backends/soundfile_backend.py b/paddlespeech/audio/backends/soundfile_backend.py
index 16fcdf02b6349b6165bc448b0bad5dc200a55ded..9ef69c04768bdcb2ff81b78036994c077d163cc1 100644
--- a/paddlespeech/audio/backends/soundfile_backend.py
+++ b/paddlespeech/audio/backends/soundfile_backend.py
@@ -15,15 +15,14 @@ import os
 import warnings
 from typing import Optional
 from typing import Tuple
-from typing import Union
 
 import numpy as np
 import resampy
 import soundfile as sf
 from scipy.io import wavfile
 
-from ..utils import ParameterError
 from ..utils import depth_convert
+from ..utils import ParameterError
 
 __all__ = [
     'resample',
@@ -254,4 +253,4 @@ def load(
 
 
 def info(filepath: str) -> None:
-    raise RuntimeError("No audio I/O backend is available.")
\ No newline at end of file
+    raise RuntimeError("No audio I/O backend is available.")
diff --git a/paddlespeech/audio/datasets/dataset.py b/paddlespeech/audio/datasets/dataset.py
index 56eedcfbae12fe98317a2554a8c3ef092045fbb3..81e6bdf5efd632578167bd762415b4c4896d4f13 100644
--- a/paddlespeech/audio/datasets/dataset.py
+++ b/paddlespeech/audio/datasets/dataset.py
@@ -71,7 +71,8 @@ class AudioClassificationDataset(paddle.io.Dataset):
         if self.sample_rate is None:
             waveform, sample_rate = paddlespeech.audio.load(file)
         else:
-            waveform, sample_rate = paddlespeech.audio.load(file, sr=self.sample_rate)
+            waveform, sample_rate = paddlespeech.audio.load(
+                file, sr=self.sample_rate)
 
         feat_func = feat_funcs[self.feat_type]
 
diff --git a/paddlespeech/audio/datasets/rirs_noises.py b/paddlespeech/audio/datasets/rirs_noises.py
index 4a8bd8c3fcc082e8763651839803aa3c021d6dc2..61bbf72a25aff962cd7e693789a9bfa1055d7302 100644
--- a/paddlespeech/audio/datasets/rirs_noises.py
+++ b/paddlespeech/audio/datasets/rirs_noises.py
@@ -141,7 +141,8 @@ class OpenRIRNoise(Dataset):
                 end_sample = int(float(e) * sr)
                 new_wav_file = os.path.join(self.base_path,
                                             audio_id + f'_chunk_{idx+1:02}.wav')
-                paddlespeech.audio.save(waveform[start_sample:end_sample], sr, new_wav_file)
+                paddlespeech.audio.save(waveform[start_sample:end_sample], sr,
+                                        new_wav_file)
                 # id, duration, new_wav
                 ret.append([chunk, self.chunk_duration, new_wav_file])
         else:  # Keep whole audio.
diff --git a/paddlespeech/audio/utils/__init__.py b/paddlespeech/audio/utils/__init__.py
index 5fbc02bdc161dc723053b68b0d0c0ece66bb4012..2c9a179690a1e9659031f64599186883069d4977 100644
--- a/paddlespeech/audio/utils/__init__.py
+++ b/paddlespeech/audio/utils/__init__.py
@@ -13,18 +13,13 @@
 # limitations under the License.
 from ...cli.utils import DATA_HOME
 from ...cli.utils import MODEL_HOME
-
 from .download import decompress
 from .download import download_and_decompress
 from .download import load_state_dict_from_url
-
 from .error import ParameterError
-
 from .log import Logger
 from .log import logger
-
+from .numeric import depth_convert
+from .numeric import pcm16to32
 from .time import seconds_to_hms
 from .time import Timer
-
-from .numeric import pcm16to32
-from .numeric import depth_convert
\ No newline at end of file
diff --git a/paddlespeech/audio/utils/numeric.py b/paddlespeech/audio/utils/numeric.py
index 940f9ddd8e97f91705abaae1b3f79d6259719d41..9fe00484616852fd44956163a10446e073c5fa43 100644
--- a/paddlespeech/audio/utils/numeric.py
+++ b/paddlespeech/audio/utils/numeric.py
@@ -11,13 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import numpy as np
 from typing import Union
 
-__all__ = [
-    "pcm16to32",
-    "depth_convert"
-]
+import numpy as np
+
+__all__ = ["pcm16to32", "depth_convert"]
+
 
 def pcm16to32(audio: np.ndarray) -> np.ndarray:
     """pcm int16 to float32
@@ -105,4 +104,4 @@ def depth_convert(y: np.ndarray, dtype: Union[type, str]) -> np.ndarray:
     if dtype in ['float32', 'float64']:
         org_dtype = y.dtype
         y = y.astype(dtype) / np.iinfo(org_dtype).max
-    return y
\ No newline at end of file
+    return y
diff --git a/setup.py b/setup.py
index d38bba7b52d9744f6dc03502129824e71d58d17b..19893c62f0dc3a596d5fe3589ff83ffea73380a3 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,6 @@ from setuptools import Command
 from setuptools import find_packages
 from setuptools import setup
 from setuptools.command.develop import develop
-from setuptools.command.install import install
 from setuptools.command.test import test
 
 from tools import setup_helpers
@@ -38,43 +37,13 @@ VERSION = '0.0.0'
 COMMITID = 'none'
 
 base = [
-    "editdistance", 
-    "g2p_en", 
-    "g2pM", 
-    "h5py", 
-    "inflect", 
-    "jieba", 
-    "jsonlines",
-    "kaldiio", 
-    "librosa==0.8.1", 
-    "loguru", 
-    "matplotlib", 
-    "nara_wpe",
-    "onnxruntime", 
-    "pandas", 
-    "paddlenlp", 
-    "paddlespeech_feat", 
-    "praatio==5.0.0",
-    "pypinyin", 
-    "pypinyin-dict", 
-    "python-dateutil", 
-    "pyworld", 
-    "resampy==0.2.2",
-    "sacrebleu", 
-    "scipy", 
-    "sentencepiece~=0.1.96", 
-    "soundfile~=0.10",
-    "textgrid", 
-    "timer", 
-    "tqdm", 
-    "typeguard", 
-    "visualdl", 
-    "webrtcvad",
-    "yacs~=0.1.8", 
-    "prettytable", 
-    "zhon", 
-    "colorlog", 
-    "pathos == 0.2.8"
+    "editdistance", "g2p_en", "g2pM", "h5py", "inflect", "jieba", "jsonlines",
+    "kaldiio", "librosa==0.8.1", "loguru", "matplotlib", "nara_wpe",
+    "onnxruntime", "pandas", "paddlenlp", "paddlespeech_feat", "praatio==5.0.0",
+    "pypinyin", "pypinyin-dict", "python-dateutil", "pyworld", "resampy==0.2.2",
+    "sacrebleu", "scipy", "sentencepiece~=0.1.96", "soundfile~=0.10",
+    "textgrid", "timer", "tqdm", "typeguard", "visualdl", "webrtcvad",
+    "yacs~=0.1.8", "prettytable", "zhon", "colorlog", "pathos == 0.2.8"
 ]
 
 server = [
@@ -141,7 +110,9 @@ def check_output(cmd: Union[str, List[str], Tuple[str]], shell=False):
 
 def _run_cmd(cmd):
     try:
-        return subprocess.check_output(cmd, cwd=ROOT_DIR, stderr=subprocess.DEVNULL).decode("ascii").strip()
+        return subprocess.check_output(
+            cmd, cwd=ROOT_DIR,
+            stderr=subprocess.DEVNULL).decode("ascii").strip()
     except Exception:
         return None
 
@@ -193,7 +164,6 @@ class DevelopCommand(develop):
         self.execute(_post_install, (self.install_lib, ), msg="Post Install...")
 
 
-
 class TestCommand(test):
     def finalize_options(self):
         test.finalize_options(self)
@@ -207,7 +177,7 @@ class TestCommand(test):
 
 
 # cmd: python setup.py upload
-class UploadCommand(distutils.cmd.Command):
+class UploadCommand(Command):
     description = "Build and publish the package."
     user_options = []
 
@@ -270,7 +240,6 @@ class clean(distutils.command.clean.clean):
 
 def main():
 
-
     sha = _run_cmd(["git", "rev-parse", "HEAD"])  # commit id
     branch = _run_cmd(["git", "rev-parse", "--abbrev-ref", "HEAD"])
     tag = _run_cmd(["git", "describe", "--tags", "--exact-match", "@"])