Ошибка при добавлении базы данных django в mysql

from ckeditor_uploader.fields import RichTextUploadingField
from django.contrib.auth.models import User
from django.db import models
from django.db.models import Avg, Count
from django.forms import ModelForm
from django.urls import reverse
from django.utils.safestring import mark_safe
 
 
# Create your models here.
from mptt.fields import TreeForeignKey
from mptt.models import MPTTModel
 
 
class Category(MPTTModel):
    STATUS = (
        ('True', 'True'),
        ('False', 'False'),
    )
    parent = TreeForeignKey('self', blank=True, null=True ,related_name='children', on_delete=models.CASCADE)
    title = models.CharField(max_length=30)
    keywords = models.CharField(max_length=255)
    description = models.CharField(max_length=255)
    image=models.ImageField(blank=True,upload_to='images/')
    status=models.CharField(max_length=10, choices=STATUS)
    slug = models.SlugField(null=False, unique=True)
    create_at=models.DateTimeField(auto_now_add=True)
    update_at=models.DateTimeField(auto_now=True)
 
    def __str__(self):
        return self.title
 
    class MPTTMeta:
        order_insertion_by = ['title']
 
    def get_absolute_url(self):
        return reverse('category_detail', kwargs={'slug': self.slug})
 
    def __str__(self):  # __str__ method elaborated later in
        full_path = [self.title]  # post.  use __unicode__ in place of
        k = self.parent
        while k is not None:
            full_path.append(k.title)
            k = k.parent
        return ' / '.join(full_path[::-1])
 
 
class Product(models.Model):
    STATUS = (
        ('True', 'True'),
        ('False', 'False'),
    )
 
    VARIANTS = (
        ('None', 'None'),
        ('Size', 'Size'),
        ('Color', 'Color'),
        ('Size-Color', 'Size-Color'),
 
    )
    category = models.ForeignKey(Category, on_delete=models.CASCADE)  # many to one relation with Category
    title = models.CharField(max_length=150)
    keywords = models.CharField(max_length=255)
    description = models.TextField(max_length=255)
    image = models.ImageField(upload_to='images/', null=False)
    price = models.DecimalField(max_digits=12, decimal_places=2, default=0)
    amount = models.IntegerField(default=0)
    minamount = models.IntegerField(default=3)
    variant = models.CharField(max_length=10, choices=VARIANTS, default='None')
    detail = RichTextUploadingField()
    slug = models.SlugField(null=False, unique=True)
    status = models.CharField(max_length=10, choices=STATUS)
    create_at = models.DateTimeField(auto_now_add=True)
    update_at = models.DateTimeField(auto_now=True)
 
    def __str__(self):
        return self.title
 
 
    ## method to create a fake table field in read only mode
    def image_tag(self):
        if self.image.url is not None:
            return mark_safe('<img src="{}" height="50"/>'.format(self.image.url))
        else:
            return ""
 
    def get_absolute_url(self):
        return reverse('category_detail', kwargs={'slug': self.slug})
 
    def avaregereview(self):
        reviews = Comment.objects.filter(product=self, status='True').aggregate(avarage=Avg('rate'))
        avg=0
        if reviews["avarage"] is not None:
            avg=float(reviews["avarage"])
        return avg
 
    def countreview(self):
        reviews = Comment.objects.filter(product=self, status='True').aggregate(count=Count('id'))
        cnt=0
        if reviews["count"] is not None:
            cnt = int(reviews["count"])
        return cnt
 
 
class Images(models.Model):
    product=models.ForeignKey(Product,on_delete=models.CASCADE)
    title = models.CharField(max_length=50,blank=True)
    image = models.ImageField(blank=True, upload_to='images/')
 
    def __str__(self):
        return self.title
 
 
class Comment(models.Model):
    STATUS = (
        ('New', 'New'),
        ('True', 'True'),
        ('False', 'False'),
    )
    product = models.ForeignKey(Product, on_delete=models.CASCADE)
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    subject = models.CharField(max_length=50, blank=True)
    comment = models.CharField(max_length=250, blank=True)
    rate = models.IntegerField(default=1)
    ip = models.CharField(max_length=20, blank=True)
    status = models.CharField(max_length=10, choices=STATUS, default='New')
    create_at = models.DateTimeField(auto_now_add=True)
    update_at = models.DateTimeField(auto_now=True)
 
    def __str__(self):
        return self.subject
 
 
class CommentForm(ModelForm): # Вся форма на вкладке Contact
    class Meta:
        model = Comment
        fields = ['subject', 'comment', 'rate']
 
#
class Color(models.Model):
    name = models.CharField(max_length=20)
    code = models.CharField(max_length=10, blank=True,null=True)
    def __str__(self):
        return self.name
    def color_tag(self):
        if self.code is not None:
            return mark_safe('<p style="background-color:{}">Color </p>'.format(self.code))
        else:
            return ""
 
 
class Size(models.Model):
    name = models.CharField(max_length=20)
    code = models.CharField(max_length=10, blank=True,null=True)
    def __str__(self):
        return self.name
 
class Variants(models.Model):
    title = models.CharField(max_length=100, blank=True,null=True)
    product = models.ForeignKey(Product, on_delete=models.CASCADE)
    color = models.ForeignKey(Color, on_delete=models.CASCADE,blank=True,null=True)
    size = models.ForeignKey(Size, on_delete=models.CASCADE,blank=True,null=True)
    image_id = models.IntegerField(blank=True,null=True,default=0)
    quantity = models.IntegerField(default=1)
    price = models.DecimalField(max_digits=12, decimal_places=2,default=0)
 
    def __str__(self):
        return self.title
 
    def image(self):
        img = Images.objects.get(id=self.image_id)
        if img.id is not None:
             varimage=img.image.url
        else:
            varimage=""
        return varimage
 
    def image_tag(self):
        img = Images.objects.get(id=self.image_id)
        if img.id is not None:
             return mark_safe('<img src="{}" height="50"/>'.format(img.image.url))
        else:
            return ""