Update app.py

app.py

@@ -178,7 +178,18 @@ def process(text, speaker_id):
     # 2. Text to Sequence
     cleaner = "basic_cleaners" 
     sequence, _ = text_to_sequence(text, [cleaner])
-    x = torch.tensor(intersperse(sequence, 0), dtype=torch.long, device=DEVICE)[None]
+    
+    # Filter out any non-integer values (unknown characters not in vocabulary)
+    # This happens when text contains characters not supported by the TTS model
+    filtered_sequence = [s for s in sequence if isinstance(s, int)]
+    
+    if not filtered_sequence:
+        raise ValueError("No valid characters found in input text for TTS model.")
+    
+    if len(filtered_sequence) != len(sequence):
+        print(f"[WARN] Filtered out {len(sequence) - len(filtered_sequence)} unknown characters from TTS input")
+    
+    x = torch.tensor(intersperse(filtered_sequence, 0), dtype=torch.long, device=DEVICE)[None]
     x_lengths = torch.tensor([x.shape[-1]], dtype=torch.long, device=DEVICE)
     
     # 3. Use the Speaker ID from the interface