little fixes

app.py

@@ -49,7 +49,7 @@ def infer(image_input, dst_height:str, dst_width:str):
     points_src = torch.tensor([list(ordered_src_coords)], dtype=torch.float32)
 
     # the destination points are the image vertexes
-    h, w = dst_height, dst_width  # destination size
+    h, w = int(dst_height), int(dst_width)  # destination size
     points_dst = torch.tensor([[
         [0., 0.], [w - 1., 0.], [w - 1., h - 1.], [0., h - 1.],
     ]], dtype=torch.float32)
@@ -99,7 +99,7 @@ Iface = gr.Interface(
             gr.components.Textbox(label="Destination Width"),
             ],
     outputs=gr.components.Plot(),
-    examples=[["bruce.png", example_mask], "64", "128"],
+    #examples=[["bruce.png", example_mask], "64", "128"],
     title="Homography Warping",
     description=description,
 ).launch()