[IMPR] replace Site.userinfo['groups'] with Site.has_group

Change-Id: I1151a9ab36cae16f7672dab9c1096224211a1ab1
---
M pywikibot/site.py
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pywikibot/site.py b/pywikibot/site.py
index 0ad71fe..02edc0c 100644
--- a/pywikibot/site.py
+++ b/pywikibot/site.py
@@ -5612,7 +5612,7 @@
                         if newpage.exists():
                             for prot in self.page_restrictions(
                                     newpage).values():
-                                if prot[0] not in self._userinfo['groups']:
+                                if not self.has_group(prot[0]):
                                     failed_page = newpage
                                     break
                     else:

