Update app.py

app.py

@@ -121,7 +121,7 @@ Given a grayscale photograph as input, this demo attacks the problem of hallucin
 <center><img src='https://visitor-badge.glitch.me/badge?page_id=dj_colorization_eccv16siggraph17' alt='visitor badge'></center>
 """
 
-interface = gr.Interface(
+mainBody = gr.Interface(
     interface,
     [
         gr.components.Image(type="pil", label="image"),
@@ -142,4 +142,4 @@ interface = gr.Interface(
     article=article,
     live=True,
 )
-interface.launch(share=True)
+mainBody.launch(share=True)