Moved RequestSite import to the toplevel.

django/contrib/sites/shortcuts.py

@@ -1,16 +1,17 @@
 from django.apps import apps
 
+from .requests import RequestSite
+
 
 def get_current_site(request):
     """
     Check if contrib.sites is installed and return either the current
     ``Site`` object or a ``RequestSite`` object based on the request.
     """
-    # Imports are inside the function because its point is to avoid importing
-    # the Site models when django.contrib.sites isn't installed.
+    # Import is inside the function because its point is to avoid importing the
+    # Site models when django.contrib.sites isn't installed.
     if apps.is_installed('django.contrib.sites'):
         from .models import Site
         return Site.objects.get_current(request)
     else:
-        from .requests import RequestSite
         return RequestSite(request)