form._changed_data doesn't exist anymore

diff --git a/postgresqleu/membership/views.py b/postgresqleu/membership/views.py
index 00e9495222c22c875cbdbc70626d39768d2d13fe..492fa2bc53805669e8283113885e680485046629 100644 (file)
--- a/postgresqleu/membership/views.py
+++ b/postgresqleu/membership/views.py
@@ -58,7 +58,7 @@ def home(request):
                                # Figure out what changed
                                MemberLog(member=member,
                                                  timestamp=datetime.now(),
-                                                 message="Modified registration data for field(s): %s" % (", ".join(form._changed_data)),
+                                                 message="Modified registration data for field(s): %s" % (", ".join(form.changed_data)),
                                                  ).save()
                        if request.POST["submit"] == "Generate invoice":
                                # Generate an invoice for the user