Update app.py

app.py

@@ -370,9 +370,9 @@ gr.Interface(
     gr.inputs.Slider(minimum=25, maximum=400, default=80, label='max iterations', step=1),
     gr.inputs.Slider(minimum=200, maximum=500, default=256, label='width', step=1),
     gr.inputs.Slider(minimum=200, maximum=500, default=256, label='height', step=1),
-    gr.inputs.Image(type="file", label="Initial Image", optional=True),
+    gr.inputs.Image(type="file", label="Initial Image (Optional)", optional=True),
     gr.inputs.Slider(minimum=0.0, maximum=15.0, default=0.0, label='Initial Weight', step=1.0),
-    gr.inputs.Image(type="file", label="Target Image", optional=True)
+    gr.inputs.Image(type="file", label="Target Image (Optional)", optional=True)
      ], 
     [gr.outputs.Image(type="numpy", label="Output Image"),gr.outputs.Image(type="file", label="Output GIF")],
     title=title,