pyramid: make alerts always use request.session instead of pylons one.

rhodecode/lib/helpers.py

@@ -690,9 +690,9 b' class Flash(_Flash):'
         session.save()
         return messages
 
-    def json_alerts(self):
+    def json_alerts(self, request=None):
         payloads = []
-        messages = flash.pop_messages()
+        messages = flash.pop_messages(request=request)
         if messages:
             for message in messages:
                 subdata = {}

rhodecode/templates/base/root.mako

@@ -113,7 +113,7 b" c.template_context['default_user'] = {"
             <script language="javascript" type="text/javascript" src="${h.asset('js/excanvas.min.js')}"></script>
             <![endif]-->
             <script language="javascript" type="text/javascript" src="${h.asset('js/rhodecode/routes.js', ver=c.rhodecode_version_hash)}"></script>
-            <script> var alertMessagePayloads = ${h.flash.json_alerts()|n}; </script>
+            <script> var alertMessagePayloads = ${h.flash.json_alerts(request)|n}; </script>
             ## avoide escaping the %N
             <script language="javascript" type="text/javascript" src="${h.asset('js/rhodecode-components.js', ver=c.rhodecode_version_hash)}"></script>
             <script>CodeMirror.modeURL = "${h.asset('') + 'js/mode/%N/%N.js?ver='+c.rhodecode_version_hash}";</script>