Fix min length slider

app.py

@@ -90,10 +90,11 @@ def sidebar_controls():
         value=140,
         step=10,
     )
+    min_length_limit = min(120, max_length - 10)
     min_length = st.slider(
         "Minimum summary length (words)",
         min_value=20,
-        max_value=min_length_limit := min(120, max_length - 10),
+        max_value=min_length_limit,
         value=min(50, max_length - 20),
         step=5,
     )