[update] use list of wsse

Author: diegoug

src/zeep/wsdl/bindings/soap.py

@@ -86,7 +86,13 @@ def _create(self, operation, args, kwargs, client=None, options=None):
 
             # Apply WSSE
             if client.wsse:
-                envelope, http_headers = client.wsse.apply(envelope, http_headers)
+                if isinstance(client.wsse, list):
+                    for wsse in client.wsse:
+                        envelope, http_headers = wsse.apply(
+                            envelope, http_headers)
+                else:
+                    envelope, http_headers = client.wsse.apply(
+                        envelope, http_headers)
 
         # Add extra http headers from the setings object
         if client.settings.extra_http_headers: