Update app.py

app.py

@@ -54,7 +54,7 @@ def generate_frequency_visualization(audio_path, fps, num_bars):
             for j, height in enumerate(heights):
                 x = spacing + j * (bar_width + spacing)
                 y = 720 - height
-                color = tuple((np.array(plt.cm.viridis(j / num_bars))[:3] * 255).astype(int))  # Use Viridis colormap
+                color = tuple(int(c * 255) for c in plt.cm.viridis(j / num_bars)[:3])  # Use Viridis colormap
                 cv2.rectangle(img, (x, 720), (x + bar_width, y), color, -1)
 
             # Save the frame