Bump django-sitetree to 1.7.0 (#2918)

This version of sitetree supports Django 1.10

requirements/base.txt

@@ -8,6 +8,7 @@ django-import-export==0.4.2
 django-mptt==0.8.7
 django-reversion==1.8.6
 django-rq==0.9.0
+django-sitetree==1.7.0
 django-taggit==0.17.1
 django-taggit-serializer==0.1.5
 django-threadlocals==0.8
@@ -27,5 +28,4 @@ six>=1.9.0
 sqlparse==0.1.16
 Unidecode==0.04.18
 tablib==0.11.2
-git+https://github.com/idlesign/django-sitetree.git@a626559c39ff1e865cde3441c44f42864c648dfb
 factory-boy

src/ralph/settings/dev.py

@@ -22,10 +22,6 @@ def only_true(request):
 
 ROOT_URLCONF = 'ralph.urls.dev'
 
-# Disable exception for the missing element in SiteTree
-# https://github.com/idlesign/django-sitetree/pull/157/files
-RAISE_ITEMS_ERRORS_ON_DEBUG = False
-
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',

src/ralph/urls/base.py

@@ -1,10 +1,16 @@
 from django.conf import settings
 from django.conf.urls import include, url
 from rest_framework.authtoken import views
+from sitetree.sitetreeapp import SiteTree  # noqa
 
 from ralph.admin import ralph_site as admin
 from ralph.api import router
 
+# monkey patch for sitetree until
+# https://github.com/idlesign/django-sitetree/issues/226 will be discussed
+# and resolved
+SiteTree.current_app_is_admin = lambda self: False
+
 # import custom urls from each api module
 # notice that each module should have `urlpatters` variable defined
 # (as empty list if there is any custom url)