message: add theme to AvatarPair
diff: @@ -3,7 +3,7 @@ import PropTypes from 'prop-types'
  import styled from 'styled-components'
  import {themeGet} from 'styled-system'
  import Avatar from './Avatar'
  -import {withSystemProps} from './system-props'
  +import theme from './theme'
  const getBackgroundColor = themeGet('colors.white', '#fff')
  