Check for not none instead of truthy

corehq/apps/app_manager/suite_xml/features/case_tiles.py

@@ -88,8 +88,8 @@ def build_case_tile_detail(self):
             for column_info in self.detail_column_infos:
                 # column_info is an instance of DetailColumnInfo named tuple.
                 style = None
-                if column_info.column.grid_x or column_info.column.grid_y \
-                        or column_info.column.height or column_info.column.width:
+                if column_info.column.grid_x is not None or column_info.column.grid_y is not None \
+                        or column_info.column.height is not None or column_info.column.width is not None:
                     style = Style(grid_x=column_info.column.grid_x, grid_y=column_info.column.grid_y,
                                   grid_height=column_info.column.height, grid_width=column_info.column.width,
                                   horz_align=column_info.column.horizontal_align,