Update app.py

app.py

@@ -90,7 +90,7 @@ examples = [
 ['English', 'Urdu', 'Hi. nice to meet you']
 ]
 
-gr.Interface(translation,
+demo = gr.Interface(translation,
             inputs = [gr.inputs.Dropdown(lang_codes, default='English', label='Source'),
                       gr.inputs.Dropdown(lang_codes, default='Korean', label='Target'),
                       gr.inputs.Textbox(lines=5, label="Input text"),
@@ -99,6 +99,7 @@ gr.Interface(translation,
             outputs = gr.outputs.JSON(),
              title=title,
              description=description,
-             ).launch()
+             )
+demo.launch()