Application error при деплое django на heroku - как решить?

"""
Django settings for todoapp project.

Generated by 'django-admin startproject' using Django 2.1.5.

For more information on this file, see
https://docs.djangoproject.com/en/2.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.1/ref/settings/
"""

import os

import django_heroku

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(
    os.path.dirname(os.path.abspath(__file__))))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
#SECRET_KEY = '*lt38#6u@y_qhsy&bb=*87m@#h)--#fx+uhc2+lzdo&nbc5@m'

import os
SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', '*lt38#6u@y_qhsy&bb=*87m@#h)--#fx+uhc2+lzdo&nbc5@m')

# SECURITY WARNING: don't run with debug turned on in production!
# DEBUG = True
DEBUG = bool( os.environ.get('DJANGO_DEBUG', True) )

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'tasks.apps.TasksConfig',
    'accounts.apps.AccountsConfig',
    # 'send_email.apps.SendEmailConfig'
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'todoapp.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': ['templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'todoapp.wsgi.application'


# Database
# https://docs.djangoproject.com/en/2.1/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/2.1/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.1/howto/static-files/

#STATICROOT = 'staticfiles'
# The absolute path to the directory where collectstatic will collect static files for deployment.
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
STATIC_URL = '/static/'

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, "static"),
]

LOGIN_REDIRECT_URL = "tasks:list"

MEDIA_URL = "/media/"
MEDIA_ROOT = os.path.join(BASE_DIR, "/media/")


#EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'

#EMAIL_HOST = os.environ.get("EMAIL_HOST", 'smtp.example.com')
#EMAIL_HOST_USER = os.environ.get("EMAIL_HOST_USER", '[email protected]')
#EMAIL_HOST_PASSWORD = os.environ.get("EMAIL_HOST_PASSWORD", 'wrong_password')
#EMAIL_PORT = int(os.environ.get("EMAIL_PORT", "25"))
#EMAIL_USE_TLS = bool(os.environ.get("EMAIL_USE_TLS", ""))

#EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
#AUTH_USER_EMAIL_UNIQUE = True
#EMAIL_HOST = 'smtp.yandex.ru'
EMAIL_HOST_USER = os.environ.get('EMAIL_HOST_USER')
EMAIL_HOST_PASSWORD = os.environ.get('EMAIL_HOST_PASSWORD')
EMAIL_PORT = 465
EMAIL_USE_TLS = True
DEFAULT_FROM_EMAIL = ''

#EMAIL_HOST = os.environ.get("EMAIL_HOST")
#EMAIL_PORT = int(os.environ.get("EMAIL_PORT"))


django_heroku.settings(locals())

# Heroku: Update database configuration from $DATABASE_URL.
import dj_database_url
db_from_env = dj_database_url.config(conn_max_age=500)
DATABASES['default'].update(db_from_env)

# Simplified static file serving.
# https://warehouse.python.org/project/whitenoise/
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'