Update app.py

app.py

@@ -117,9 +117,9 @@ async def main(
     request: Request,
     text_input: str = Form(...),
     speaker: str = Form(...),
-    speed_slider: float = Form(1.0),
-    noise_scale_slider: float = Form(0.667),
-    noise_scale_w_slider: float = Form(1.0),
+    speed_slider: float = Form(...),
+    noise_scale_slider: float = Form(...),
+    noise_scale_w_slider: float = Form(...),
     play: bool = Form(True)
 ):
     """Main entry point"""