问create_user()从2到4个位置参数，但给出了6个

EN

from django import forms
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.models import User
from django.forms.widgets import PasswordInput, TextInput
from django.core.exceptions import ValidationError



class CustomUserCreationForm(forms.Form):
    username = forms.CharField(widget=TextInput(attrs={'class':'validate','id': 'icon_prefix', 'type': 'text'}), min_length=4, max_length=150)
    email = forms.EmailField(widget=TextInput(attrs={'class':'validate','id': 'icon_prefix', 'type': 'text'}))
    first_name = forms.CharField(widget=TextInput(attrs={'class':'validate','id': 'icon_prefix', 'type': 'text'}), min_length=2, max_length=150)
    last_name = forms.CharField(widget=TextInput(attrs={'class':'validate','id': 'icon_prefix', 'type': 'text'}), min_length=2, max_length=150)
    password1 = forms.CharField(widget=PasswordInput(attrs={'class':'validate','id': 'icon_prefix', 'type': 'password'}))
    password2 = forms.CharField(widget=PasswordInput(attrs={'class':'validate','id': 'icon_prefix', 'type': 'password'}))



def clean_username(self):
    username = self.cleaned_data['username'].lower()
    r = User.objects.filter(username=username)
    if r.count():
        raise  ValidationError("Username already exists")
    return username

def clean_first_name(self):
    first_name = self.cleaned_data['first_name']

    return first_name

def clean_last_name(self):
    last_name = self.cleaned_data['last_name']

    return last_name

def clean_email(self):
    email = self.cleaned_data['email'].lower()
    r = User.objects.filter(email=email)
    if r.count():
        raise  ValidationError("Email already exists")
    return email

def clean_password2(self):
    password1 = self.cleaned_data.get('password1')
    password2 = self.cleaned_data.get('password2')

    if password1 and password2 and password1 != password2:
        raise ValidationError("Password don't match")

    return password2

def save(self, commit=True):
    user = User.objects.create_user(
        self.cleaned_data['username'],
        self.cleaned_data['first_name'],
        self.cleaned_data['last_name'],
        self.cleaned_data['email'],
        self.cleaned_data['password1']
    )
    return user