Cast n_candidates to int

app.py

@@ -30,7 +30,7 @@ def texttoaudio(prompt, neg_prompt, seed, inf_steps, guidance_scale, n_candidate
                  guidance_scale=guidance_scale,
                  audio_length_in_s=5.0,
                  generator=generator.manual_seed(int(seed)),
-                 num_waveforms_per_prompt=n_candidates if n_candidates else 1,
+                 num_waveforms_per_prompt=int(n_candidates) if n_candidates else 1,
                 )["audios"]
 
     # save the audio sample as a .wav file