SuspiciousOperation - Попытка доступа к '%s' отклонена | Django

Я загрузил свое веб-приложение в Интернет. В нем есть секция, которая отправляет аудиофайл на вход. Ранее я использовал FileSystemStorage для хранения файлов по пути "media/my_audio", но теперь, когда я загрузил приложение на Google Cloud Platform, я больше не могу этого делать. Я уже все настроил, но мне кажется, что в моем коде есть какая-то проблема.

Вот код, который я пытался использовать:

"settings.py"

PROJECT_ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir)

DEFAULT_FILE_STORAGE = 'storages.backends.gcloud.GoogleCloudStorage'
# STATICFILES_STORAGE = 'storages.backends.gcloud.GoogleCloudStorage'

GS_PROJECT_ID = 'my_id'
GS_STATIC_BUCKET_NAME = 'my_STATIC_BUCKET_NAME'
GS_MEDIA_BUCKET_NAME = 'my_MEDIA_BUCKET_NAME'  # same as STATIC BUCKET if using single bucket both for static and media

STATIC_URL = 'https://storage.googleapis.com/{}/'.format(GS_STATIC_BUCKET_NAME)
STATIC_ROOT = "static/"

MEDIA_URL = 'https://storage.googleapis.com/{}/'.format(GS_MEDIA_BUCKET_NAME)
MEDIA_ROOT = "media/"

UPLOAD_ROOT = 'media/uploads/'

DOWNLOAD_ROOT = os.path.join(PROJECT_ROOT, "static/media/downloads")
DOWNLOAD_URL = STATIC_URL + "media/downloads"

"views.py"

def Risultato(request):
    testo = request.POST.get('testo')
    lang = request.POST.get('lang')

    audio = request.FILES['audio']
    fs = GoogleCloudStorage(location=settings.MEDIA_URL)
    filename = fs.save(audio.name, audio)

    os.environ["COQUI_TOS_AGREED"] = "1"

    
    tts = TTS("tts_models/multilingual/multi-dataset/xtts_v2", gpu=False)

    
    file = tts.tts_to_file(text=testo,
                    file_path=f"https://storage.googleapis.com/MEDIA_URL/my_output/{filename}",
                    speaker_wav=f"https://storage.googleapis.com/MEDIA_URL/media/my_audio/{filename}",
                    language=lang,
                    split_sentences=False
                    )
    context = {
        'file':file,
        'filename':filename,
    }
    return render(request, 'risultato.html', context)

"gcloud.py"

from django.conf import settings
from storages.backends.gcloud import GoogleCloudStorage
from storages.utils import setting
from urllib.parse import urljoin


class GoogleCloudMediaFileStorage(GoogleCloudStorage):
    # Google file storage class which gives a media file path from MEDIA_URL not google generated one.

    bucket_name = setting('GS_MEDIA_BUCKET_NAME')

    def url(self, name):
        # Gives correct MEDIA_URL and not google generated url.
        return urljoin(settings.MEDIA_URL, name)


class GoogleCloudStaticFileStorage(GoogleCloudStorage):
    # Google file storage class which gives a media file path from MEDIA_URL not google generated one.
    
    bucket_name = setting('GS_STATIC_BUCKET_NAME')

    def url(self, name):
        # Gives correct STATIC_URL and not google generated url.
        return urljoin(settings.STATIC_URL, name)

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