message: Ensure Tour doesn't take any space when hidden.
diff: @@ -120,6 +120,9 @@ export default class Tour extends React.PureComponent<TourProps> {
  };
  render() {
  + if (!this.props.show) {
  + return null;
  + }
  const step = this.props.steps[this.props.currentStep];
  return (
  @@ -133,7 +136,7 @@ export default class Tour extends React.PureComponent<TourProps> {
  disableAnimation={true}
  target={step.target}
  component={TourModal(this.props, step)}
  - open={this.props.show}
  + open={true}
  placement={step.placement ? step.placement : defaults.placement}
  offset={step.offset !== undefined ? step.offset : defaults.offset}
  />
  