Update app.py

app.py

@@ -103,6 +103,7 @@ def rename_stems(input_file, output_dir, stems, output_format):
     for i, stem in enumerate(stems):
         new_name = f"{base_name}_(Stem{i+1}).{output_format}"
         new_path = os.path.join(output_dir, new_name)
+        print(f"Renaming {stem} to {new_path}")
         os.rename(stem, new_path)
         renamed_stems.append(new_path)
     return renamed_stems
@@ -129,6 +130,8 @@ def roformer_separator(audio, model_key, seg_size, overlap, model_dir, out_dir,
     progress(0.7, desc="Audio separated")
     separation = separator.separate(audio)
 
+    print(f"Separation result: {separation}")
+
     progress(0.9, desc="Stems renamed")
     stems = rename_stems(audio, out_dir, separation, out_format)