me sale el siguiente error rather than relying on Globals UnboundLocalError: local variable ‘name’ referenced before assignment ¿Qué podr...

me sale el siguiente error

rather than relying on Globals

UnboundLocalError: local variable ‘name’ referenced before assignment

¿Qué podría hacer?

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

class contactBook:
    def __init___(self):
        self.__contacts=[]

    def add(self, name,phone,email):
        print(f'name: {name},phone: {phone}, email: {email}')

def run():

    contact_book = contactBook(name, phone, email)

    while True:
        command = str(input('''
            What do you want?

            [A]dd contact
            [U]pdate contact
            [S]earch contact
            [D]elete contact
            [L]ist contact
            [E]xit
        '''))

        if command == 'a':
            name = str(input('Write the name of the contact'))
            phone = str(input('Write the telephone of the contact'))
            email = str(input('Write the email of the contact'))



        elif command == 'u':
            print('Update contact')

        elif command == 's':
            print('Search contact')

        elif command == 'd':
            print('Delete contact')

        elif command == 'l':
            print('List contact')

        elif command == 'e':
            break
        else:
            print('Command not Found.')


if __name__ == '__main__':
    run()