chore(format): run black on dev (#536)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

examples/api/main.py

@@ -97,7 +97,9 @@ async def generate_voice(params: ChatTTSParams):
 
     # zip all of the audio files together
     buf = io.BytesIO()
-    with zipfile.ZipFile(buf, "a", compression=zipfile.ZIP_DEFLATED, allowZip64=False) as f:
+    with zipfile.ZipFile(
+        buf, "a", compression=zipfile.ZIP_DEFLATED, allowZip64=False
+    ) as f:
         for idx, wav in enumerate(wavs):
             f.writestr(wav_arr_to_mp3_view(wav), f"{idx}.mp3")
     logger.info("Audio generation successful.")

examples/cmd/stream.py

@@ -3,12 +3,13 @@ import threading
 import time
 import random
 
-import pyaudio # please install it manually
+import pyaudio  # please install it manually
 import numpy as np
 import ChatTTS
 
 from tools.audio import batch_unsafe_float_to_int16
 
+
 # 流式声音处理器
 class AudioStreamer:
     def __init__(self):

tools/audio/np.py

@@ -13,6 +13,7 @@ def unsafe_float_to_int16(audio: np.ndarray) -> np.ndarray:
     audio16 = audio.astype(np.int16)
     return audio16
 
+
 @jit
 def batch_unsafe_float_to_int16(audios: list[np.ndarray]) -> list[np.ndarray]:
     """