Calling PropTypes validators directly is not supported by the `prop-types` package

[isaachinman]

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Just installed this package, used a basic Grid, Row, Col setup, and received the following React warnings:

Warning: Failed prop type: Calling PropTypes validators directly is not supported by the `prop-types` package. Use PropTypes.checkPropTypes() to call them. Read more at http://fb.me/use-check-prop-types
    in Col
    in Footer
    in Fragment
    in Context.Provider
    in NamespacesConsumerComponent
    in WithMergedOptions
    in Context.Consumer
    in WithContext
    in Container

I'm using:

• React 16.4.1
• react-flexbox-grid 2.1.2

[Almo7aya]

Can anyone do something with this, please?