Update app.py

app.py

@@ -21,9 +21,9 @@ def calculate_y_range(y_values):
     return y_min, y_max
 
 # Función para convertir HEX a RGBA con transparencia
-def hex_to_rgba(hex, alpha=1.0):
-    hex = hex.lstrip('#')
-    return f'rgba({int(hex[0:2], 16)},{int(hex[2:4], 16)},{int(hex[4:6], 16)},{alpha})'
+def hex_to_rgba(hex_color, alpha=1.0):
+    hex_color = hex_color.lstrip('#')
+    return f'rgba({int(hex_color[0:2], 16)},{int(hex_color[2:4], 16)},{int(hex_color[4:6], 16)},{alpha})'
 
 # Colores predefinidos
 predefined_colors = [
@@ -58,8 +58,9 @@ if use_multiple_colors:
     border_colors = [hex_to_rgba(predefined_colors[i % len(predefined_colors)], alpha=0.6)
                      for i in range(num_colors)]
 else:
-    color = hex_to_rgba(st.sidebar.color_picker("Color del Gráfico", "#24CBA0", key="single_color"), alpha=0.3)
-    border_color = hex_to_rgba(color, alpha=0.6)
+    selected_color = st.sidebar.color_picker("Color del Gráfico", "#24CBA0", key="single_color")
+    color = hex_to_rgba(selected_color, alpha=0.3)
+    border_color = hex_to_rgba(selected_color, alpha=0.6)
 
 # Procesar valores
 x = x_values.split(",")