the log out code not working and it says "[Errno 2] No such file or directory" instead of opening that register window and i have already imported os in code python code
from tkinter import*
from PIL import Image,ImageTk #pip install pillow
from course import CourseClass
from student import StudentClass
from result import ResultClass
from report import ReportClass
from tkinter import messagebox
import os
class SRMS:
    def __init__(self,root):
        self.root = root
        self.root.title("Student Management System")
        self.root.geometry("1350x700+0+0")
        self.root.config(bg="white")
    def log_out(self):
        op=messagebox.askyesno("Confirm","Do you really want to logout?", parent=self.root)
        if op==True:
            self.root.destroy()
            os.system("python register.py")
        else:
            pass
if __name__=="__main__":
    root=Tk()
    obj=SRMS(root)
    root.mainloop()
 
    