add step=1

app.py

@@ -52,7 +52,7 @@ gr.Interface(
     [
         gr.inputs.Textbox(label="Input"),
         gr.inputs.Slider(1, 64, default=8, label="Tokens to generate"),
-        gr.inputs.Slider(1, 10, default=2, label="No repeat N gram"),
+        gr.inputs.Slider(1, 10, default=2, step=1, label="No repeat N gram"),
         gr.inputs.Slider(0.0, 1.0, default=0.1, step=0.05, label="Temperature"),
         gr.inputs.Slider(0, 64, default=0, step=1, label="Top K"),
         gr.inputs.Slider(0.0, 10, default=0.9, step=0.05, label="Top P"),