Update app.py

app.py

@@ -6,7 +6,7 @@ import matplotlib.pyplot as plt
 from PIL import Image
 import tempfile
 import os
-import io  # Importar el módulo 'io'
+import io
 
 def generate_waveform_video(audio_file, image_file):
     try:
@@ -45,7 +45,7 @@ def generate_waveform_video(audio_file, image_file):
 
             # Convertir figura a numpy array usando io.BytesIO
             buf = io.BytesIO()
-            plt.savefig(buf, format='png', bbox_inches='tight', pad_inches=0)
+            plt.savefig(buf, format='png', bbox_inches='tight', pad_inches=0, transparent=False)
             plt.close(fig)
             return np.array(Image.open(buf))