Update app.py

app.py

@@ -48,7 +48,7 @@ async def speech_to_text(file: UploadFile = File(...)):
 @app.post("/tts/")
 def text_to_speech(input_text: TextInput):
     """Convert text to a WAV audio file using ggwave and return as response."""
-    encoded_waveform = ggwave.encode(instance, input_text.text.encode('utf-8'), protocolId=1, volume=100)
+    encoded_waveform = ggwave.encode(input_text.text, protocolId=1, volume=100)
     
     # Convert byte data into float32 array
     waveform_float32 = np.frombuffer(encoded_waveform, dtype=np.float32)