diff --git a/example/idp2/idp.py b/example/idp2/idp.py
index 7520b87..b1188a9 100755
--- a/example/idp2/idp.py
+++ b/example/idp2/idp.py
@@ -943,10 +943,10 @@ from mako.lookup import TemplateLookup
 
 AUTHN_BROKER = AuthnBroker()
 AUTHN_BROKER.add(authn_context_class_ref(PASSWORD),
-             username_password_authn, 10,
-             "http://%s" % socket.gethostname())
+                 username_password_authn, 10,
+                 "http://%s" % socket.gethostname())
 AUTHN_BROKER.add(authn_context_class_ref(UNSPECIFIED),
-             "", 0, "http://%s" % socket.gethostname())
+                 "", 0, "http://%s" % socket.gethostname())
 
 IDP = server.Server(args.config, cache=Cache())
 IDP.ticket = {}
diff --git a/src/saml2/client_base.py b/src/saml2/client_base.py
index fc21c566..876baa4 100644
--- a/src/saml2/client_base.py
+++ b/src/saml2/client_base.py
@@ -315,7 +315,6 @@ class Base(Entity):
                              protocol_binding=binding,
                              scoping=scoping, **args)
 
-
     def create_attribute_query(self, destination, name_id=None,
                                attribute=None, message_id=0, consent=None,
                                extensions=None, sign=False, sign_prepare=False,
diff --git a/src/saml2/mdstore.py b/src/saml2/mdstore.py
index 72a35fc..bbde35f 100644
--- a/src/saml2/mdstore.py
+++ b/src/saml2/mdstore.py
@@ -103,7 +103,8 @@ def repack_cert(cert):
 
 
 class MetaData(object):
-    def __init__(self, onts, attrc, metadata="", node_name=None, **kwargs):
+    def __init__(self, onts, attrc, metadata="", node_name=None,
+                 check_validity=True, **kwargs):
         self.onts = onts
         self.attrc = attrc
         self.entity = {}
@@ -112,6 +113,7 @@ class MetaData(object):
         self.node_name = node_name
         self.entities_descr = None
         self.entity_descr = None
+        self.check_validity = check_validity
         
     def items(self):
         return self.entity.items()
@@ -129,13 +131,14 @@ class MetaData(object):
         return self.entity[item]
 
     def do_entity_descriptor(self, entity_descr):
-        try:
-            if not valid(entity_descr.valid_until):
-                logger.info("Entity descriptor (entity id:%s) to old" % (
-                    entity_descr.entity_id,))
-                return
-        except AttributeError:
-            pass
+        if self.check_validity:
+            try:
+                if not valid(entity_descr.valid_until):
+                    logger.info("Entity descriptor (entity id:%s) to old" % (
+                        entity_descr.entity_id,))
+                    return
+            except AttributeError:
+                pass
 
         # have I seen this entity_id before ? If so if log: ignore it
         if entity_descr.entity_id in self.entity:
@@ -187,12 +190,14 @@ class MetaData(object):
                 logger.error(exc.args[0])
                 return
 
-            try:
-                if not valid(self.entities_descr.valid_until):
-                    raise ToOld("Metadata not valid anymore, it's after %s" % (
-                        self.entities_descr.valid_until,))
-            except AttributeError:
-                pass
+            if self.check_validity:
+                try:
+                    if not valid(self.entities_descr.valid_until):
+                        raise ToOld(
+                            "Metadata not valid anymore, it's after %s" % (
+                                self.entities_descr.valid_until,))
+                except AttributeError:
+                    pass
 
             for entity_descr in self.entities_descr.entity_descriptor:
                 self.do_entity_descriptor(entity_descr)
diff --git a/src/saml2/response.py b/src/saml2/response.py
index 1742c27..55cb5ea 100644
--- a/src/saml2/response.py
+++ b/src/saml2/response.py
@@ -451,8 +451,8 @@ class AuthnResponse(StatusResponse):
     def __init__(self, sec_context, attribute_converters, entity_id,
                  return_addrs=None, outstanding_queries=None,
                  timeslack=0, asynchop=True, allow_unsolicited=False,
-                 test=False, allow_unknown_attributes=False, want_assertions_signed=False,
-                 **kwargs):
+                 test=False, allow_unknown_attributes=False,
+                 want_assertions_signed=False, **kwargs):
 
         StatusResponse.__init__(self, sec_context, return_addrs, timeslack,
                                 asynchop=asynchop)
diff --git a/src/saml2/validate.py b/src/saml2/validate.py
index 6fd4893..3ba2dff 100644
--- a/src/saml2/validate.py
+++ b/src/saml2/validate.py
@@ -248,6 +248,8 @@ def valid_anytype(val):
     :return: True is value is valid otherwise an exception is raised
     """
     for validator in VALIDATOR.values():
+        if validator == valid_anytype:  # To hinder recursion
+            continue
         try:
             if validator(val):
                 return True