voucher partners and helat partners shouldn't have loactions and user defined

smash/web/forms/worker_form.py

@@ -22,7 +22,7 @@ class WorkerForm(ModelForm):
         instance = getattr(self, 'instance', None)
 
         initial_role = None
-        if instance is not None:
+        if instance is not None and instance.pk:
             worker_type = worker_type_by_worker(instance)
             roles = WorkerStudyRole.objects.filter(worker=instance, study_id=GLOBAL_STUDY_ID)
 
@@ -35,6 +35,9 @@ class WorkerForm(ModelForm):
 
         if worker_type == WORKER_STAFF:
             del self.fields['voucher_types']
+        else:
+            del self.fields['locations']
+            del self.fields['user']
 
     def save(self, commit=True):
         instance = super(WorkerForm, self).save(commit)