fix step

app.py

@@ -139,7 +139,7 @@ with gr.Blocks() as demo:
     gr.Markdown("- Null proportion range")
     with gr.Row():
         with gr.Column():
-            min_null_prop_input = gr.Slider(min_null_prop, max_null_prop, min_null_prop, step=1, label="Min null proportion value")
+            min_null_prop_input = gr.Slider(min_null_prop, max_null_prop, min_null_prop, step=0.01, label="Min null proportion value")
         with gr.Column():
             max_null_prop_input = gr.Slider(min_null_prop, max_null_prop, max_null_prop, step=0.01, label="Max null proportion value")