fix periodic prompt

app.py

@@ -111,8 +111,8 @@ def _vamp(seed, input_audio, model_choice, pitch_shift_amt, periodic_p, p2, n_ma
         rand_mask_intensity=rand_mask_intensity,
         prefix_s=prefix_s,
         suffix_s=suffix_s,
-        periodic_prompt=periodic_p,
-        periodic_prompt2=_p2,
+        periodic_prompt=int(periodic_p),
+        periodic_prompt2=int(_p2),
         periodic_prompt_width=periodic_w,
         onset_mask_width=onset_mask_width,
         _dropout=dropout,