message: Fix Toast imports
diff: import * as React from 'react';
  import * as PropTypes from 'prop-types';
  -import { Container, ActionMap } from 'constate';
  -import { EffectMap } from 'constate/dist/ts/src';
  +import { Container } from 'reakit';
  +import { ActionMap, EffectMap } from 'constate/dist/ts/src';
  // @ts-ignore
  import _uniqueId from 'lodash/uniqueId';
  @@ -27,7 +27,7 @@ type State = {
  props: {};
  };
  export type ToastContainerProps = {
  - children: (props: Actions & { toasts: Array<Toast> }) => React.ReactNode;
  + children: (props: Actions & Effects & { toasts: Array<Toast> }) => React.ReactNode;
  placement?: Placement;
  };
  