oauth2 not working

rowsandall_app/settings.py

@@ -72,8 +72,8 @@ INSTALLED_APPS = [
     'datetimewidget',
     'rest_framework_swagger',
     'oauth2_provider',
-    #'provider',
-    #'provider.oauth2',
+    #    'provider',
+    #    'provider.oauth2',
     'corsheaders',
     'analytical',
     'cookielaw',
@@ -194,6 +194,8 @@ DATABASES = {
 # Password validation
 # https://docs.djangoproject.com/en/1.9/ref/settings/#auth-password-validators
 
+AUTH_USER_MLDEL = 'user.User'
+
 AUTH_PASSWORD_VALIDATORS = [
     {
         'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
@@ -456,7 +458,7 @@ OAUTH2_PROVIDER = {
     'ACCESS_TOKEN_MODEL': 'oauth2_provider.AccessToken',
     'APPLICATION_MODEL': 'oauth2_provider.Application',
     'REFRESH_TOKEN_MODEL': 'oauth2_provider.RefreshToken',
-    'ACCESS_TOKEN_EXPIRE_SECONDS': 360000,
+    'ACCESS_TOKEN_EXPIRE_SECONDS': 3600000,
     "PKCE_REQUIRED": False,
     # 'OAUTH2_BACKEND_CLASS': 'oauth2_provider.oauth2_backends.JSONOAuthLibCore'
 }