Update app.py

app.py

@@ -39,7 +39,7 @@ def tts(text: str, voice: str="Male"):
     wavs = synthesizer.tts(text)
 
     # return output
-    with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as fp:
+    with tempfile.NamedTemporaryFile(dir="sound/", prefix=f"-", suffix=".wav", delete=False) as fp:
         synthesizer.save_wav(wavs, fp)
         return fp.name