Fix erroneous comparisson for SLO binding

Signed-off-by: Ivan Kanakarakis <[email protected]>

Author: c00kiemon5ter

src/saml2/client.py

@@ -523,7 +523,7 @@ def handle_logout_request(self, request, name_id, binding, sign=False,
 
         if binding == BINDING_SOAP:
             response_bindings = [BINDING_SOAP]
-        elif binding == BINDING_HTTP_POST or BINDING_HTTP_REDIRECT:
+        elif binding in [BINDING_HTTP_POST, BINDING_HTTP_REDIRECT]:
             response_bindings = [BINDING_HTTP_POST, BINDING_HTTP_REDIRECT]
         else:
             response_bindings = self.config.preferred_binding[