화면은 나오는데 빈 화면이 나옵니다.

강의 설명대로 만들었는데 빈화면만 나오네요. ㅠㅜ

윈도우 10, VisualStudio Code 입니다.
뭐가 문제일까요?

~ 디자인 한 화면 ~

~ 실행 화면 ~

[ login_ui.py ]

# -*- coding: utf-8 -*-

################################################################################
## Form generated from reading UI file 'login.ui'
##
## Created by: Qt User Interface Compiler version 6.7.2
##
## WARNING! All changes made in this file will be lost when recompiling UI file!
################################################################################

from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
    QMetaObject, QObject, QPoint, QRect,
    QSize, QTime, QUrl, Qt)
from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
    QFont, QFontDatabase, QGradient, QIcon,
    QImage, QKeySequence, QLinearGradient, QPainter,
    QPalette, QPixmap, QRadialGradient, QTransform)
from PySide6.QtWidgets import (QApplication, QLabel, QLineEdit, QPushButton,
    QSizePolicy, QWidget)

class Ui_Form(object):
    def setupUi(self, Form):
        if not Form.objectName():
            Form.setObjectName(u"Form")
        Form.resize(471, 480)
        font = QFont()
        font.setFamilies([u"\ub098\ub214\uace0\ub515"])
        font.setPointSize(11)
        Form.setFont(font)
        self.pushButton = QPushButton(Form)
        self.pushButton.setObjectName(u"pushButton")
        self.pushButton.setGeometry(QRect(120, 350, 231, 81))
        font1 = QFont()
        font1.setFamilies([u"\ub098\ub214\uace0\ub515"])
        font1.setPointSize(11)
        font1.setBold(True)
        self.pushButton.setFont(font1)
        self.label = QLabel(Form)
        self.label.setObjectName(u"label")
        self.label.setGeometry(QRect(60, 120, 61, 16))
        self.label_2 = QLabel(Form)
        self.label_2.setObjectName(u"label_2")
        self.label_2.setGeometry(QRect(60, 160, 71, 21))
        self.lineEdit = QLineEdit(Form)
        self.lineEdit.setObjectName(u"lineEdit")
        self.lineEdit.setGeometry(QRect(140, 110, 241, 31))
        self.lineEdit_2 = QLineEdit(Form)
        self.lineEdit_2.setObjectName(u"lineEdit_2")
        self.lineEdit_2.setGeometry(QRect(140, 160, 241, 31))

        self.retranslateUi(Form)

        QMetaObject.connectSlotsByName(Form)
    # setupUi

    def retranslateUi(self, Form):
        Form.setWindowTitle(QCoreApplication.translate("Form", u"Form", None))
        self.pushButton.setText(QCoreApplication.translate("Form", u"\ub85c\uadf8\uc778", None))
        self.label.setText(QCoreApplication.translate("Form", u"\uc544\uc774\ub514", None))
        self.label_2.setText(QCoreApplication.translate("Form", u"\ube44\ubc00\ubc88\ud638", None))
    # retranslateUi

[ login.ui ]

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Form</class>
 <widget class="QWidget" name="Form">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>471</width>
    <height>480</height>
   </rect>
  </property>
  <property name="font">
   <font>
    <family>나눔고딕</family>
    <pointsize>11</pointsize>
   </font>
  </property>
  <property name="windowTitle">
   <string>Form</string>
  </property>
  <widget class="QPushButton" name="pushButton">
   <property name="geometry">
    <rect>
     <x>120</x>
     <y>350</y>
     <width>231</width>
     <height>81</height>
    </rect>
   </property>
   <property name="font">
    <font>
     <family>나눔고딕</family>
     <pointsize>11</pointsize>
     <weight>75</weight>
     <bold>true</bold>
    </font>
   </property>
   <property name="text">
    <string>로그인</string>
   </property>
  </widget>
  <widget class="QLabel" name="label">
   <property name="geometry">
    <rect>
     <x>60</x>
     <y>120</y>
     <width>61</width>
     <height>16</height>
    </rect>
   </property>
   <property name="text">
    <string>아이디</string>
   </property>
  </widget>
  <widget class="QLabel" name="label_2">
   <property name="geometry">
    <rect>
     <x>60</x>
     <y>160</y>
     <width>71</width>
     <height>21</height>
    </rect>
   </property>
   <property name="text">
    <string>비밀번호</string>
   </property>
  </widget>
  <widget class="QLineEdit" name="lineEdit">
   <property name="geometry">
    <rect>
     <x>140</x>
     <y>110</y>
     <width>241</width>
     <height>31</height>
    </rect>
   </property>
  </widget>
  <widget class="QLineEdit" name="lineEdit_2">
   <property name="geometry">
    <rect>
     <x>140</x>
     <y>160</y>
     <width>241</width>
     <height>31</height>
    </rect>
   </property>
  </widget>
 </widget>
 <resources/>
 <connections/>
</ui>

[ 실행 파이썬 코드 ]

import sys
from PySide6.QtWidgets import QApplication, QWidget
from login_ui import Ui_Form

class MainWindow(QWidget, Ui_Form):
    def __inint__(self):
        super().__init__()
        self.setupUi(self)

app = QApplication()

window = MainWindow()
window.show()

sys.exit(app.exec())

import sys
from PySide6.QtWidgets import QApplication, QWidget
from login_ui import Ui_Form

class MainWindow(QWidget, Ui_Form):
    def __init__(self):  # 오타가 수정된 부분
        super().__init__()
        self.setupUi(self)

app = QApplication(sys.argv)  # QApplication 인스턴스 생성 시 sys.argv 추가

window = MainWindow()
window.show()

sys.exit(app.exec())