Update app.py

app.py

@@ -77,7 +77,7 @@ selected_color = st.sidebar.color_picker("Color", "#24CBA0", key="single_color")
 
 # Definir colores
 if use_multiple_colors:
-    num_colors = len(x)
+    num_colors = len(x) if chart_type == "Barras" and num_y_vars == 1 else len(y_values_list)
     colors = [hex_to_rgba(st.sidebar.color_picker(f"Color {i+1}", predefined_colors[i % len(predefined_colors)], key=f"color_{i}"), alpha=opacity)
               for i in range(num_colors)]
     border_colors = [hex_to_rgba(st.sidebar.color_picker(f"Color de Borde {i+1}", predefined_colors[i % len(predefined_colors)], key=f"border_color_{i}"), alpha=border_opacity)