Fix and clean up sandbox dependencies

Author: kamilturek

sandbox/requirements.txt

@@ -1,13 +1,8 @@
-asn1crypto==0.24.0
-cffi==1.12.2
+cffi==1.14.6
 cryptography==3.3.2
-dj-database-url==0.4.1
-Django==2.1.5
+Django==2.2.19
 django-argonauts==1.2.0
 django-debug-toolbar==1.11
-gunicorn==19.6.0
-pkg-resources==0.0.0
-psycopg2==2.7
 pycparser==2.19
 python-u2flib-server==5.0.0
 pytz==2018.9

sandbox/test_django_mfa/settings.py

@@ -11,7 +11,6 @@
 """
 
 import os
-import dj_database_url
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -134,11 +133,11 @@
 
 ALLOWED_HOSTS = ['*']
 
-
 DATABASES = {
-    'default': dj_database_url.config(
-        default='sqlite:////{0}'.format(os.path.join(BASE_DIR, 'db.sqlite3'))
-    )
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
 }
 
 SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')