update asserts

examples/widgets/dropdown/lv_example_dropdown_2.py

@@ -0,0 +1,23 @@
+# Create a drop UP list by applying auto realign
+
+# Create a drop down list
+ddlist = lv.ddlist(lv.scr_act())
+ddlist.set_options("\n".join([
+                    "Apple",
+                    "Banana",
+                    "Orange",
+                    "Melon",
+                    "Grape",
+                    "Raspberry"]))
+
+
+ddlist.set_fix_width(150)
+ddlist.set_fix_height(150)
+ddlist.set_draw_arrow(True)
+
+# Enable auto-realign when the size changes.
+# It will keep the bottom of the ddlist fixed
+ddlist.set_auto_realign(True)
+
+# It will be called automatically when the size changes
+ddlist.align(None, lv.ALIGN.IN_BOTTOM_MID, 0, -20)