fixed use of whitespaces

gluon/tools.py

@@ -1792,7 +1792,7 @@ class Auth(AuthAPI):
                              servicevalidate='serviceValidate',
                              proxyvalidate='proxyValidate',
                              logout='logout'),
-	    cas_create_user=True,
+            cas_create_user=True,
             extra_fields={},
             actions_disabled=[],
             controller=controller,
@@ -2285,7 +2285,7 @@ class Auth(AuthAPI):
         If the user doesn't yet exist, then they are created.
         """
         table_user = self.table_user()
-	create_user = self.settings.cas_create_user
+        create_user = self.settings.cas_create_user
         user = None
         checks = []
         # make a guess about who this user is
@@ -2318,7 +2318,7 @@ class Auth(AuthAPI):
                     update_keys[key] = keys[key]
             user.update_record(**update_keys)
         elif checks:
-	    if create_user is False:
+            if create_user is False:
                 # Remove current open session a send message
                 self.logout(next=None, onlogout=None, log=None)
                 raise HTTP(403, "Forbidden. User need to be created first.")