def Register(): Form = RegistrationForm(request.form) if request.method == 'POST' and Form.validate(): if (User.CheckIfEmailExists(Form.Email.data)): LogInUser = User(Form.FirstName.data, Form.LastName.data, Form.Email.data, Form.PassWord.data) LogInUser.WriteToFile() return redirect(url_for("Index")) return render_template( "Register.html", form=Form, Error="Email already in use.", ) return render_template( "Register.html", form=Form, )