CODE EXAMPLE FOR JAVASCRIPT

Utils is not a constructor MuiPickersUtilsProvider

import DateFnsUtils from '@date-io/date-fns'
import { DateTimePicker, MuiPickersUtilsProvider } from '@material-ui/pickers'

<MuiPickersUtilsProvider utils={DateFnsUtils}>
                <DateTimePicker .../>
</MuiPickersUtilsProvider>