upd

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 from gradio_image_annotation import image_annotator
 
 example_annotation = {
-    "image": "https://gradio-builds.s3.amazonaws.com/demo-files/base.png",
+    "image": "background.png",
     "boxes": [],
 }
 
@@ -27,16 +27,14 @@ def get_boxes_json(annotations):
 
 with gr.Blocks() as demo:
     with gr.Tab("DreamRenderer", id="DreamRenderer"):
-        annotator = image_annotator(
-            example_annotation
-        )
+        annotator = image_annotator(example_annotation,
+                                    height=512,
+                                    width=512
+                                    )
+
         button_get = gr.Button("Get bounding boxes")
         json_boxes = gr.JSON()
-
-        # button_add_label.click(
-        #     add_label, [annotator, label_input], annotator
-        # )
         button_get.click(get_boxes_json, annotator, json_boxes)
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch(share=True)