Update app.py

app.py

@@ -253,7 +253,7 @@ def generate_video():
             app.config['text_prompt'] = text_prompt
             print('Final text prompt: ',text_prompt)
     
-            source_image_path = save_uploaded_file(source_image, 'source_image.png',TEMP_DIR)
+            source_image_path = save_uploaded_file(source_image, 'source_image.mp4',TEMP_DIR)
             print(source_image_path)
     
             # driven_audio_path = await voice_cloning_async(voice_cloning, voice_gender, text_prompt, user_voice)