Update app.py

app.py

@@ -77,11 +77,11 @@ def convert(model, src_mic,src_file, tgt):
     
     if not src:
         logging.error("Source audio not provided")
-        return "Error: Source audio not provided"
+        return
 
     if not tgt:
         logging.error("Reference audio not provided")
-        return "Error: Reference audio not provided"
+        return
  
     with torch.no_grad():
         # tgt