pyside2-uic: missing imports QGradient, QLocale, QRectF

Error:

NameError: name 'QDate' is not defined

Reproduce QDate error:

In QT designer create a MainWindow, place Date/Time Edit widget, in properties of widget change property "MaximumDate" or maybe anything related else.

pyside2-uic a.ui > a.py

Reproduce QGradient error:

It is related with MainWindow's palette. I don't really have idea what I did with palette. Because I had stylesheet that do something same. qss just in case:

QMainWindow {background-color: qlineargradient(spread:pad, x1:0, y1:0.494, x2:1, y2:0.477, stop:0 #e0fae8, stop:1 #D8F3E1);} 

Example with both cases attached.