Upload app.py

app.py

@@ -5,6 +5,14 @@ from html import escape as esc
 import re, json
 
 ALL = "All"
+DEFAULT_LIMIT = 50  # fallback when slider momentarily returns None
+
+def _norm_limit(limit):
+    """Ensure we always have a valid int for limit (guards None/invalid)."""
+    try:
+        return int(limit) if limit is not None else DEFAULT_LIMIT
+    except Exception:
+        return DEFAULT_LIMIT
 
 # ---------------- Load & normalize ----------------
 DF = pd.read_csv("offers_with_prices.csv")
@@ -266,11 +274,13 @@ TOOLTIP_BIND_JS = r"""
 """
 
 # ---------------- Render functions ----------------
-def render_cards(country: str, dealer: str, brand: str, limit: int):
-    df = _filtered_df(country, dealer, brand).head(int(limit))
+def render_cards(country: str, dealer: str, brand: str, limit):
+    limit = _norm_limit(limit)
+    df = _filtered_df(country, dealer, brand).head(limit)
     return _grid_html(df)
 
 def on_country_change(country, dealer, brand, limit):
+    limit = _norm_limit(limit)
     df_c = _filtered_df(country, ALL, ALL)
     dealer_choices = _choices(df_c["dealer"]); brand_choices = _choices(df_c["brand"])
     dealer_val = brand_val = ALL
@@ -278,6 +288,7 @@ def on_country_change(country, dealer, brand, limit):
     return gr.update(choices=dealer_choices, value=dealer_val), gr.update(choices=brand_choices, value=brand_val), html
 
 def on_dealer_change(country, dealer, brand, limit):
+    limit = _norm_limit(limit)
     df_cd = _filtered_df(country, dealer, ALL)
     brand_choices = _choices(df_cd["brand"])
     brand_val = brand if brand in brand_choices else ALL
@@ -285,6 +296,7 @@ def on_dealer_change(country, dealer, brand, limit):
     return gr.update(choices=brand_choices, value=brand_val), html
 
 def on_brand_change(country, dealer, brand, limit):
+    limit = _norm_limit(limit)
     df_cb = _filtered_df(country, ALL, brand)
     dealer_choices = _choices(df_cb["dealer"])
     dealer_val = dealer if dealer in dealer_choices else ALL
@@ -292,6 +304,7 @@ def on_brand_change(country, dealer, brand, limit):
     return gr.update(choices=dealer_choices, value=dealer_val), html
 
 def on_limit_change(country, dealer, brand, limit):
+    limit = _norm_limit(limit)
     return render_cards(country, dealer, brand, limit)
 
 # ---------------- Build Gradio UI ----------------
@@ -308,7 +321,7 @@ def app():
             dd_country = gr.Dropdown(choices=countries, value=ALL, label="Country")
             dd_dealer  = gr.Dropdown(choices=dealers,   value=ALL, label="Dealer")
             dd_brand   = gr.Dropdown(choices=brands,    value=ALL, label="Brand")
-            s_limit    = gr.Slider(6, 200, value=50, step=6, label="Max Offers")
+            s_limit    = gr.Slider(6, 200, value=DEFAULT_LIMIT, step=6, label="Max Offers")
 
         out_html = gr.HTML(elem_id="cards-pane")