input arg updated

app.py

@@ -68,7 +68,11 @@ with st.sidebar:
 
     # Quantization
     q_levels = st.number_input(
-        "Insert an integer for levels of quantization:", value=1, step=1
+        "Insert an integer for levels of quantization:",
+        value=1,
+        step=1,
+        min_value=2,
+        max_value=31,
     )
 
     # Input filter