--- a/src/pages/events/rsvp/page_meta.py	Sun Jun 24 22:21:25 2018 +0200
+++ b/src/pages/events/rsvp/page_meta.py	Fri Jun 29 17:45:26 2018 +0200
@@ -9,16 +9,24 @@
 from sat.tools.common.template import safe
 import time
 import cgi
+
 """creation of new events"""
 
-name = u'event_rsvp'
+name = u"event_rsvp"
 access = C.PAGES_ACCESS_PROFILE
 template = u"event/invitation.html"
-log = getLogger(u'pages/' + name)
+log = getLogger(u"pages/" + name)
 
 
 def parse_url(self, request):
-    self.getPathArgs(request, ("event_service", "event_node", "event_id"), min_args=2, event_service="@jid", event_id='')
+    self.getPathArgs(
+        request,
+        ("event_service", "event_node", "event_id"),
+        min_args=2,
+        event_service="@jid",
+        event_id="",
+    )
+
 
 @defer.inlineCallbacks
 def prepare_render(self, request):
@@ -28,56 +36,64 @@
 
     ## Event ##
 
-    event_service = data['event_service']
-    event_node = data[u'event_node']
-    event_id = data[u'event_id']
-    event_timestamp, event_data = yield self.host.bridgeCall(u"eventGet",
-                                                             event_service.userhost() if event_service else '',
-                                                             event_node,
-                                                             event_id,
-                                                             profile)
+    event_service = data["event_service"]
+    event_node = data[u"event_node"]
+    event_id = data[u"event_id"]
+    event_timestamp, event_data = yield self.host.bridgeCall(
+        u"eventGet",
+        event_service.userhost() if event_service else "",
+        event_node,
+        event_id,
+        profile,
+    )
     try:
-        background_image = event_data.pop('background-image')
+        background_image = event_data.pop("background-image")
     except KeyError:
         pass
     else:
-        template_data['dynamic_style'] = safe(u"""
+        template_data["dynamic_style"] = safe(
+            u"""
             html {
                 background-image: url("%s");
                 background-size: 15em;
             }
-            """ % cgi.escape(background_image, True))
-    template_data['event'] = event_data
+            """
+            % cgi.escape(background_image, True)
+        )
+    template_data["event"] = event_data
     event_invitee_data = yield self.host.bridgeCall(
         u"eventInviteeGet",
-        event_data['invitees_service'],
-        event_data['invitees_node'],
-        profile)
-    template_data['invitee'] = event_invitee_data
-    template_data['days_left'] = int((event_timestamp - time.time()) / (60 * 60 * 24))
+        event_data["invitees_service"],
+        event_data["invitees_node"],
+        profile,
+    )
+    template_data["invitee"] = event_invitee_data
+    template_data["days_left"] = int((event_timestamp - time.time()) / (60 * 60 * 24))
 
     ## Blog ##
 
-    data[u'service'] = jid.JID(event_data[u'blog_service'])
-    data[u'node'] = event_data[u'blog_node']
-    data[u'allow_commenting'] = u'simple'
+    data[u"service"] = jid.JID(event_data[u"blog_service"])
+    data[u"node"] = event_data[u"blog_node"]
+    data[u"allow_commenting"] = u"simple"
 
     # we now need blog items, using blog common page
     # this will fill the "items" template data
-    blog_page = self.getPageByName(u'blog_view')
+    blog_page = self.getPageByName(u"blog_view")
     yield blog_page.prepare_render(self, request)
 
+
 @defer.inlineCallbacks
 def on_data_post(self, request):
-    type_ = self.getPostedData(request, u'type')
-    if type_ == u'comment':
-        blog_page = self.getPageByName(u'blog_view')
+    type_ = self.getPostedData(request, u"type")
+    if type_ == u"comment":
+        blog_page = self.getPageByName(u"blog_view")
         yield blog_page.on_data_post(self, request)
-    elif type_ == u'attendance':
+    elif type_ == u"attendance":
         profile = self.getProfile(request)
-        service, node, attend, guests = self.getPostedData(request, (u'service', u'node', u'attend', u'guests'))
-        data = {u'attend': attend,
-                u'guests': guests}
+        service, node, attend, guests = self.getPostedData(
+            request, (u"service", u"node", u"attend", u"guests")
+        )
+        data = {u"attend": attend, u"guests": guests}
         yield self.host.bridgeCall(u"eventInviteeSet", service, node, data, profile)
     else:
         log.warning(_(u"Unhandled data type: {}").format(type_))