Update steganography.py

steganography.py

@@ -142,7 +142,7 @@ with gr.Blocks(title='Audio Steganography', css="footer{display:none !important}
 
     with gr.Tab("Image to Spectrogram"):
         with gr.Group():
-            with gr.Column(variant='panel'):
+            with gr.Column():
                 upload_image = gr.Image(type="filepath", label="Upload image")
                 convert_button = gr.Button("Convert to audio", variant='primary', size="lg")
 
@@ -153,7 +153,7 @@ with gr.Blocks(title='Audio Steganography', css="footer{display:none !important}
 
     with gr.Tab("Audio Spectrogram"):
         with gr.Group():
-            with gr.Column(variant='panel'):
+            with gr.Column():
                 upload_audio = gr.Audio(type="filepath", label="Upload audio", scale=3)
                 decode_button = gr.Button("Show spectrogram", variant='primary', size="lg")