Update app.py

app.py

@@ -6,6 +6,7 @@ import matplotlib.pyplot as plt
 from PIL import Image
 import tempfile
 import os
+import io  # Importar el módulo 'io'
 
 def generate_waveform_video(audio_file, image_file):
     try:
@@ -42,7 +43,7 @@ def generate_waveform_video(audio_file, image_file):
             ax.fill_between(x, wave_slice - img_h//4, -wave_slice + img_h//4, 
                            facecolor='red', alpha=0.7)
 
-            # Convertir figura a numpy array
+            # Convertir figura a numpy array usando io.BytesIO
             buf = io.BytesIO()
             plt.savefig(buf, format='png', bbox_inches='tight', pad_inches=0)
             plt.close(fig)