Update app.py

app.py

@@ -35,23 +35,26 @@ def analyze_and_separate(audio_file):
         print(f"Analyzing {filename}...")
         y, sr = librosa.load(audio_file, duration=60, mono=True)
         tempo, _ = librosa.beat.beat_track(y=y, sr=sr)
-        bpm = int(round(tempo[0])) if np.ndim(tempo) > 0 else int(round(tempo))
+        
+        # Robust BPM logic
+        if np.ndim(tempo) > 0:
+            bpm = int(round(tempo[0]))
+        else:
+            bpm = int(round(tempo))
         print(f"Detected BPM: {bpm}")
 
         # 2. Demucs Separation (Using 6-Stem Model)
         print("Separating stems (6-Stem Model)...")
-        # We use '-n htdemucs_6s' to get Guitar and Piano separation
         subprocess.run([
             sys.executable, "-m", "demucs", "-n", "htdemucs_6s", "--out", str(TEMP_DIR), audio_file
         ], check=True, capture_output=True)
 
         # 3. Locate Stems
-        demucs_out = TEMP_DIR / "htdemucs_6s" # Note the folder name change
+        demucs_out = TEMP_DIR / "htdemucs_6s" 
         track_folder = next(demucs_out.iterdir(), None)
         if not track_folder: raise FileNotFoundError("Demucs failed to output files.")
         
-        # Map all 6 stems (Demucs outputs specific names)
-        # Note: If a stem (like guitar) is silent, Demucs still creates the file.
+        # Map all 6 stems
         drums = track_folder / "drums.wav"
         bass = track_folder / "bass.wav"
         guitar = track_folder / "guitar.wav"
@@ -108,14 +111,14 @@ def package_and_export(track_folder_str, bpm, start_offset_sec, cover_art):
             return out_path
 
         # Generate loops for all 6 stems
-        created_loops['melody'] = make_loop(stems['Synths'], "SynthLoop") # Primary logic for video
+        created_loops['melody'] = make_loop(stems['Synths'], "SynthLoop")
         make_loop(stems['Drums'], "DrumLoop")
         make_loop(stems['Bass'], "BassLoop")
         make_loop(stems['Guitar'], "GuitarLoop")
         make_loop(stems['Piano'], "PianoLoop")
         make_loop(stems['Vocals'], "VocalChop")
         
-        # 3. Generate Video (Using the Synth/Other loop as the audio base)
+        # 3. Generate Video
         video_path = None
         if cover_art and created_loops['melody']:
             print("Rendering Dynamic Video...")
@@ -126,8 +129,7 @@ def package_and_export(track_folder_str, bpm, start_offset_sec, cover_art):
             # Load and Resize Image
             img = ImageClip(cover_art).resize(width=1080)
             
-            # Simple Zoom Animation (Resize from 1.0 to 1.05)
-            # We use a lambda function for the resize filter
+            # Simple Zoom Animation
             img = img.resize(lambda t : 1 + 0.02*t) 
             img = img.set_position(('center', 'center'))
             img = img.set_duration(duration)
@@ -157,8 +159,8 @@ def package_and_export(track_folder_str, bpm, start_offset_sec, cover_art):
 
 
 # --- GUI (Blocks) ---
-
-with gr.Blocks(title="Night Pulse | Command Center (6-Stem)", theme=gr.themes.Base()) as app:
+# FIXED: Removed 'theme=' argument to prevent TypeError
+with gr.Blocks(title="Night Pulse | Command Center (6-Stem)") as app:
     gr.Markdown("# 🎛️ Night Pulse | 6-Stem Command Center")
     gr.Markdown("Deconstruct audio into 6 stems: Drums, Bass, Guitar, Piano, Vocals, Synths.")