that I must modify since it tells me that it is out of range in python

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

import csv


class Contact:


    def __init__(self, name, phone, email):
        self.name = name
        self.phone = phone
        self.email = email


class Agenda:

    def __init__(self):
        self._contacts = []

    def add(self, name, phone, email):
        contact = Contact(name, phone, email)
        self._contacts.append(contact)
        self._save()

    def visualizar(self,):
        for contact in self._contacts:
            self._print_contacto(contact)

    def borrar(self, name):
        for idx, contact in enumerate(self._contacts):
            if contact.name.lower() == name.lower():
                del self._contacts[idx]
                self._save()
                break

    def buscar(self, name):
        for contact in self._contacts:
            if contact.name.lower() == name.lower():
                self._print_contacto(contact)
                break
        else:
            self._not_found()

    def _save(self):
        with open('contacts.csv', 'w') as f:
            writer = csv.writer(f)
            writer.writerow( ('name', 'phone', 'email') )

            for contact in self._contacts:
                writer.writerow( (contact.name, contact.phone, contact.email) )


    def _print_contacto(self, contact):
        print('--- * --- * --- * --- * --- *--- *---')
        print('Nombre: {}'.format(contact.name))
        print('telefono: {}'.format(contact.phone))
        print('Email: {}'.format(contact.email))
        print('--- * --- * --- * --- * --- *--- *---')

    def _not_found(self):
        print('++++++++++++++')
        print('¡No encontrado!')
        print('+++++++++++++++++')

def run():

    libro_agenda = Agenda()

    with open('contacts.csv', 'r') as f:
        reader = csv.reader(f)
        for idx, row in enumerate(reader):
            if idx == 0:
                continue

            libro_agenda.add(row[0], row[1], row[2])


    while True:
        command = str(input('''
                ¿Que deseas hacer?

                [a]ñadir contacto
                [ac]tualizar contacto
                [b]uscar contacto
                [e]liminar contacto
                [l]istar contacto
                [s]alir
            '''))

        if command == 'a':
            name = str(input('Escribe el numero del contacto: '))
            phone = str(input('escribe el telefono de contacto: '))
            email = str(input('escribe el email del contacto: '))

            libro_agenda.add(name, phone, email)

        elif command == 'ac':
            pass

        elif command == 'b':
            name = str(input('Escribe el nombre del contacto: '))

            libro_agenda.buscar(name)

        elif command == 'e':
            name = str(input('Escribe el nombre del contacto: '))

            libro_agenda.borrar(name)


        elif command == 'l':

            libro_agenda.visualizar()

        elif command == 's':
            break
        else:
            print('comando no encontrado')

if __name__ == '__main__':
    print('B I E N V E N I D O  A  T U  L I S T A   D E  C O N T A C T O S')
    run()

and I get the following error:

B I E N V E N I D O  A  T U  L I S T A   D E  C O N T A C T O S
Traceback (most recent call last):
  File "C:\Termporal\contactos.py", line 122, in <module>
    run()
  File "C:\Termporal\contactos.py", line 75, in run
    libro_agenda.add(row[0], row[1], row[2])
IndexError: list index out of range
[Finished in 0.422s]

**