def confirmEmailSend(self): msg = messagebox.askquestion('Send Email', 'Are you sure to send email', icon='warning') if msg == 'yes': re_email = self.email_entry.get() print(re_email.strip()) db = Database() querys = db.fetch_today() db.db_close() pdf = Pdf() pdf.get_pdf(querys) send_email = EmailSend(re_email.strip()) send_email.send_email() messagebox.showinfo('Done','Your email has been sent') self.emailWin.quit() self.emailWin.destroy() else: self.emailWin.quit() self.emailWin.destroy() messagebox.showerror('Cancelled','Your email is not forwarded')