Need Update, for latest Material UI Version

[consciousnessdev]

Several import is not suitable with latest material ui, and i facing some issue

Error: You are calling withTheme(Component) with an undefined component. You may have forgotten to import it.

error found in material-ui-pickers.esm.js:133
`
var SelectableCell = withTheme()(styled(Cell)(_templateObject5(), getBorderRadius, function (_ref5) {
var theme = _ref5.theme,
isCurrent = _ref5.isCurrent;
return isCurrent ? fromTheme(theme, 'current', '#9e9e9e') : 'transparent';
}, getBackground, getColor));

`

[jonas-app]

Hey Ario Setiawan, thx for reporting! 👏 Unfortunately I haven't looked into the project for a while, as I do not use the picker myself atm. Would be very happy to review and merge any fixes.