Update app.py

app.py

@@ -53,6 +53,13 @@ def create_to_phoneme_fn(hps):
         return _clean_text(text, hps.data.text_cleaners) if text != "" else ""
 
     return to_phoneme_fn
+    
+def create_to_symbol_fn(hps):
+    def to_symbol_fn(is_symbol_input, input_text, temp_text):
+        return (_clean_text(input_text, hps.data.text_cleaners), input_text) if is_symbol_input \
+            else (temp_text, temp_text)
+
+    return to_symbol_fn    
 
 
 css = """