remove channels (websocket) config;

backend/app_be/settings.py

@@ -8,9 +8,6 @@ https://docs.djangoproject.com/en/2.0/ref/settings/
 import datetime
 import os
 
-# set the websocket routing module location here
-ASGI_APPLICATION = 'app_be.routing.application'
-
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -36,7 +33,6 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
-    'channels',
     'rest_framework'
 ]