Update app.py

app.py

@@ -62,10 +62,12 @@ def process_track(audio_file, cover_art_image):
                 audio_file
             ], check=True, capture_output=True)
         except subprocess.CalledProcessError as e:
+            # Catch and display the specific error from Demucs
             raise RuntimeError(f"Demucs failed: {e.stderr.decode()}")
         
         # Locate Stems (Robust Search)
         demucs_out = TEMP_DIR / "htdemucs"
+        # Demucs might normalize filenames (spaces -> underscores), so we find the first folder
         track_folder = next(demucs_out.iterdir(), None)
         
         if not track_folder:
@@ -132,7 +134,7 @@ def process_track(audio_file, cover_art_image):
     except Exception as e:
         raise gr.Error(f"System Error: {str(e)}")
 
-# --- UI Definition (Corrected) ---
+# --- UI Definition ---
 iface = gr.Interface(
     fn=process_track,
     inputs=[
@@ -144,7 +146,7 @@ iface = gr.Interface(
         gr.Video(label="Preview Video")
     ],
     title="Night Pulse Audio | Automator",
-    description="Night Pulse Pipeline v1.1 (Stable)"
+    description="Night Pulse Pipeline v1.2 (Stable)"
 )
 
 if __name__ == "__main__":