pyside2-rcc not works / Resource (qrc) not works for python

$ ls
resource.qrc  resource_rc.py  this_is_a_picture.png  ui_widget.py  widget.py  widget.ui

$ cat resource.qrc
<RCC>
    <qresource prefix="/prefix">
        <file alias="aPicture">this_is_a_picture.png</file>
    </qresource>
</RCC>

$ cat widget.ui
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class&amp;amp;amp;gt;Widget</class&amp;amp;amp;gt;
 <widget class="QWidget" name="Widget">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>724</width>
    <height>465</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Form</string>
  </property>
  <property name="styleSheet">
   <string notr="true">background-image: url(:/prefix/aPicture);</string>
  </property>
 </widget>
 <resources>
  <include location="resource.qrc"/>
 </resources>
 <connections/>
</ui>

$ cat widget.py
from PySide2.QtWidgets import QWidget, QApplication
from PySide2.QtCore import QObject
import sys

class Widget(QWidget):
    def __init__(self, parent=None):
        from ui_widget import Ui_Widget
        super().__init__(parent)
        self.ui = Ui_Widget()
        self.ui.setupUi(self)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    widget = Widget()
    widget.show()
    sys.exit(app.exec_())

#Here is how I generating the files:
pyside2-rcc resource.qrc > resource_rc.py
pyside2-uic widget.ui --output=ui_widget.py

pyside2-uic --version
PySide2 User Interface Compiler version , running on PySide2 5.13.1.
pyside2-rcc --version
PySide2 resource compiler
c:\users\<user>\apps\pythonvenv37\lib\site-packages\PySide2\scripts\..\pyside2-rcc: Unknown option: '--version'
Usage: c:\users\<user>\apps\pythonvenv37\lib\site-packages\PySide2\scripts\..\pyside2-rcc  [options] <inputs>