correct get_context_data in wizard

Former-commit-id: f3e0f0bcd8a6f1a73c9b5cdcd8d6f15aa1ac7ddf

ippisite/ippidb/views.py

@@ -74,8 +74,9 @@ class IppiWizard(NamedUrlSessionWizardView):
 
     def get_context_data(self, **kwargs):
         context=super(IppiWizard, self).get_context_data(**kwargs)
-        context['complex_type']=self.storage.get_step_data('ProteinDomainComplexTypeForm').get('complex_type')
-        context['complex_choice']=self.storage.get_step_data('ProteinDomainComplexTypeForm').get('complex_choice')
+        if self.steps.current == 'ProteinDomainComplexForm':
+            context['complex_type']=self.storage.get_step_data('ProteinDomainComplexTypeForm').get('complex_type')
+            context['complex_choice']=self.storage.get_step_data('ProteinDomainComplexTypeForm').get('complex_choice')
         return context 
 
     def get_template_names(self):