app/serializers.py

from rest_framework import serializers
from django.contrib.auth import get_user_model
from . import models

from django.core.exceptions import ObjectDoesNotExist
from django.core.exceptions import ValidationError

from django.utils import timezone


class CreateUserSerializer(serializers.ModelSerializer):
    username = serializers.CharField()
    password = serializers.CharField(write_only=True,
                                     style={'input_type': 'password'})

    class Meta:
        model = get_user_model()
        fields = ['name', 'username', 'email', 'phoneno', 'password','address']
        write_only_fields = ('password')

    def create(self, validated_data):
        user = super(CreateUserSerializer, self).create(validated_data)
        user.set_password(validated_data['password'])
        user.save()

        return user