Workaround if email or register step is not needed

aleksis/apps/paweljong/views.py

@@ -540,10 +540,16 @@ class RegisterEventWizardView(SessionWizardView):
 
     def done(self, form_list, **kwargs):
         event = Event.objects.get(slug=self.kwargs["slug"])
-        cleaned_data_email = self.get_cleaned_data_for_step("email")
+        try:
+            cleaned_data_email = self.get_cleaned_data_for_step("email")
+        except KeyError: # FIXME
+            cleaned_data_email = False
         cleaned_data_contact_details = self.get_cleaned_data_for_step("contact_details")
         cleaned_data_guardians = self.get_cleaned_data_for_step("guardians")
-        cleaned_data_register = self.get_cleaned_data_for_step("register")
+        try:
+            cleaned_data_register = self.get_cleaned_data_for_step("register")
+        except KeyError: # FIXME
+            cleaned_data_register = False
         cleaned_data_additional = self.get_cleaned_data_for_step("additional")
         cleaned_data_financial = self.get_cleaned_data_for_step("financial")
         cleaned_data_consent = self.get_cleaned_data_for_step("consent")