Bad way to write cellForRowAt

BadCellForRowAt.swift

override func tableView(_ tableView: UITableView,
  cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    // Clean up
    if [self.subviews containsObject: self.someNotoriousView] {
        [self.contentView removeFromSuperview];
    }
    // Set up(adding that notorious view again based on some condition )
    ...
}