[PyQt] Button clicked not working

[catlessness]

import sys,os,re,time
import numpy as np
import PI_GUI_App_Map as pgam
import PI_GUI_Func as pgfunc
from PyQt5 import QtWidgets, QtGui
from PyQt5.QtWidgets import QApplication, QMainWindow, QLineEdit, QMessageBox, QProgressDialog ,QWidget,QGridLayout,QPushButton,QLabel,QTextBrowser,QDesktopWidget,QProgressBar
from PyQt5.QtGui import *
from PyQt5 import QtCore
from PyQt5.QtCore import Qt, QThread, pyqtSignal 

#———————————————GLOBAL VAR———————————————#
PATH='C:\\Users\\jy1u18\\OneDrive - University of Southampton\\secm\\PI-AUTOLAB\\count.txt'

'''———————————————————CLASS———————————————————'''
class appmap(pgam.Ui_Form,QThread):

#——————————————————————————————————#
    def __init__(self,MainWindow,signal):
        self.signal=signal
        self.xlist=[]
        self.ylist=[]
        self.zlist=[]
        self.setupUi(MainWindow)
        self.main(MainWindow)
#——————————————————————————————————#
    def main(self,MainWindow):
        MainWindow.setWindowTitle('Approach Curve-Map')
        self.lineEdit_xp.editingFinished.connect(
            lambda: self.list_read(widget=self.lineEdit_xp,tlist=self.xlist))
        self.lineEdit_yp.editingFinished.connect(
            lambda: self.list_read(widget=self.lineEdit_yp,tlist=self.ylist))
        self.lineEdit_zp.editingFinished.connect(
            lambda: self.list_read(widget=self.lineEdit_zp,tlist=self.zlist))

        self.lineEdit_xp.editingFinished.connect(self.Sample_Stat)
        self.lineEdit_yp.editingFinished.connect(self.Sample_Stat)
        self.lineEdit_zp.editingFinished.connect(self.Sample_Stat)

        self.pushButton.clicked.connect(self.click)
        self.pushButton_2.clicked.connect(self.Monitor_Thrd)

        self.lineEdit_xp.setText('1,2')
        self.lineEdit_yp.setText('1,2')
        self.lineEdit_zp.setText('(0 8 2),(10 45 5),(50 90 10),(100 500 50),(600 2000 200)')
        
        self.list_read(widget=self.lineEdit_xp,tlist=self.xlist)
        self.list_read(widget=self.lineEdit_yp,tlist=self.ylist)
        self.list_read(widget=self.lineEdit_zp,tlist=self.zlist)
        self.Sample_Stat()

    def click(self):
        print('clicked')
#——————————————————————————————————#
    def Sample_Stat(self):
        try:
            self.num2d=len(self.xlist) * len(self.ylist)
            self.num3d=len(self.zlist)
            for i in [len(self.xlist),len(self.ylist)]:
                if i != 0:
                    self.num3d=self.num3d*i
            self.lineEdit_total_2d.setText(str(self.num2d))
            self.lineEdit_total_exp.setText(str(self.num3d))
        except KeyboardInterrupt:
            sys.exit(app.exec_())
        # except Exception:
        #     pass
#——————————————————————————————————#
    def Monitor_Thrd(self):
        
        print('this func is called')
        self.msgrunning=QProgressDialog()
        self.msgrunning.setWindowTitle('Approach Curve experiment in progress...')
        self.msgrunning.setLabelText('Approach Curve experiments running.\n'
            'Do not close this or other window while running. \n This window will close upon finish.')
        self.msgrunning.setCancelButton(None)
        self.msgrunning.show()
        self.mon_thrd=pgfunc.Monitor(self.xlist,self.ylist,self.zlist,self.num3d)
        self.mon_thrd.setProgress.connect(self.msgrunning.setValue)
        self.mon_thrd.exp_cmplt.connect(self.Signal_Ascent)
        self.mon_thrd.start()
        
    def Signal_Ascent(self,i):
        self.signal.emit([2,i])
        
    def list_read(self,widget,tlist,ty=int):
        try:
            string=widget.text()
            res=[]
            element=string.split(",")
            sets=[]
            num=[]
            for ele in element:
                if '(' in ele:
                    sets.append(ele)           
                else:
                    num.append(ty(ele))
            res+=list(map(ty, num))
            for i in sets:
                numset=re.findall(r'[(](.*?)[)]', i)
                rangepara=numset[0].split(' ')
                rangepara=list(map(int, rangepara))
                res+=np.arange(rangepara[0],rangepara[1]+1,rangepara[2]).tolist()
            res.sort()
            tlist[:]=res
        except KeyboardInterrupt:
            raise KeyboardInterrupt
        except Exception:
            self.errormsg=QMessageBox()
            self.errormsg.setIcon(QMessageBox.Critical)
            self.errormsg.setText('Potentially input error, please check your inputs')
            self.errormsg.setStandardButtons(QMessageBox.Ok)
            self.errormsg.setWindowTitle('Error')
            self.errormsg.show()

if __name__=='__main__':
    os.system('python -m PyQt5.uic.pyuic PI_GUI_App_Map.ui -o PI_GUI_App_Map.py')
    app = QApplication(sys.argv)
    win=QWidget()
    move_request=pyqtSignal(list)
    ui=appmap(win,move_request)
    win.show()
    sys.exit(app.exec_())

I have no idea why the buttons are not working. I think they were working yesterday