default gradio values

app.py

@@ -3,11 +3,11 @@ from backend import visualize_image
 
 # gradio inputs
 image_input = gr.components.Image(type="pil", label="Input Image")
-color_mode_select = gr.components.Radio(["Black/white", "Random", "Segmentation"], label="Color Mode")
-mode_dropdown = gr.components.Dropdown(["Trees", "Buildings", "Both"], label="Detection Mode")
+color_mode_select = gr.components.Radio(choices=["Black/white", "Random", "Segmentation"], label="Color Mode", value="Segmentation")
+mode_dropdown = gr.components.Dropdown(choices=["Trees", "Buildings", "Both"], label="Detection Mode", value="Both")
 
-tree_threshold_slider = gr.components.Slider(minimum=0, maximum=1, step=0.1, default=0.7, label='Set confidence threshold "%" for trees')
-building_threshold_slider = gr.components.Slider(minimum=0, maximum=1, step=0.1, default=0.7, label='Set confidence threshold "%" for buildings')
+tree_threshold_slider = gr.components.Slider(minimum=0, maximum=1, step=0.1, value=0.7, label='Set confidence threshold "%" for trees')
+building_threshold_slider = gr.components.Slider(minimum=0, maximum=1, step=0.1, value=0.7, label='Set confidence threshold "%" for buildings')
 
 # gradio outputs
 output_image = gr.components.Image(type="pil", label="Output Image")