Django raise ValueError("Must supply api_key")

Making my first steps with Django and Cloudinary ,I try to upload images.

After I open Admin and select the image I receive the error message:

ValueError: Must supply api_key
[23/May/2021 15:33:35] "POST /admin/simple_cloudinary/picture/add/ HTTP/1.1" 500 201463

Modles.py:

from django.db import models
from cloudinary.models import CloudinaryField

# Create your models here.
class Picture(models.Model):
    image = CloudinaryField('image')

admin.py

from django.contrib import admin

from .models import Picture

admin.site.register(Picture)

settings.py:

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'cloudinary_storage',
    'catalog.apps.CatalogConfig',
    'blog.apps.BlogConfig',
    'about.apps.AboutConfig',
    'contact.apps.ContactConfig',
    'homepage.apps.HomepageConfig',
    'exhibitions.apps.ExhibitionsConfig',
    'import_export',
    'django_admin_inline_paginator',
    'django_bootstrap_icons',
    'simple_cloudinary',
    'cloudinary',

STATIC_URL = '/static/'
MEDIA_URL = '/media/'

CLOUDINARY_STORAGE = {
# copied form dasshboard
    'CLOUD_NAME': '------',
    'API_KEY': '--------------',
    'API_SECRET': '-----------------',
}

DEFAULT_FILE_STORAGE = 'cloudinary_storage.storage.MediaCloudinaryStorage'

As always any return is highly appreciated+many thanks