diff --git a/ippisite/ippidb/views/contribute.py b/ippisite/ippidb/views/contribute.py
index 2cd65b455b3937ff2d3d4436e647fcf9d06cc14c..25fc44b1f5045dc47348fcfdfc28fb2e0956a58e 100644
--- a/ippisite/ippidb/views/contribute.py
+++ b/ippisite/ippidb/views/contribute.py
@@ -6,20 +6,19 @@ from django.shortcuts import render
 from django.contrib.auth.mixins import LoginRequiredMixin
 from formtools.wizard.views import NamedUrlSessionWizardView
 
-import ippidb
-from ippidb.forms import *
+from ippidb import  forms as ippidb_forms 
 from ippidb.models import Protein, Bibliography, ProteinDomainComplex, ProteinDomainBoundComplex, RefCompoundBiblio, TestActivityDescription, Compound, Ppi, Disease, Taxonomy, LeLleBiplotData, PcaBiplotData, PpiFamily, CompoundTanimoto, create_tanimoto
 from ippidb.ws import get_pdb_uniprot_mapping
 
-FORMS = [("IdForm", ippidb.forms.IdForm),
-         ("BibliographyForm", ippidb.forms.BibliographyForm),
-         ("PDBForm", ippidb.forms.PDBForm),
+FORMS = [("IdForm", ippidb_forms.IdForm),
+         ("BibliographyForm", ippidb_forms.BibliographyForm),
+         ("PDBForm", ippidb_forms.PDBForm),
          ("ProteinDomainComplexTypeForm",
-          ippidb.forms.ProteinDomainComplexTypeForm),
-         ("ProteinDomainComplexForm", ippidb.forms.ComplexCompositionFormSet),
-         ("PpiForm", ippidb.forms.PpiAndComplexForm),
-         ("CompoundForm", ippidb.forms.CompoundFormSet),
-         ("TestsForm", ippidb.forms.TestsFormSet),
+          ippidb_forms.ProteinDomainComplexTypeForm),
+         ("ProteinDomainComplexForm", ippidb_forms.ComplexCompositionFormSet),
+         ("PpiForm", ippidb_forms.PpiAndComplexForm),
+         ("CompoundForm", ippidb_forms.CompoundFormSet),
+         ("TestsForm", ippidb_forms.TestsFormSet),
          ]
 
 TEMPLATES = {"IdForm": "IdForm.html",
@@ -51,9 +50,9 @@ class IppiWizard(LoginRequiredMixin, NamedUrlSessionWizardView):
             context['pdb_id'] = self.storage.get_step_data('PDBForm').get('PDBForm-pdb_id')
         return context
 
-    def get_form_kwargs(self, step):
+    def get_form_kwargs(self, step=None):
         # change args pass to a form
-        kwargs = super().get_form_kwargs()
+        kwargs = super().get_form_kwargs(step)
         if step == 'ProteinDomainComplexForm':
             pks = self.storage.get_step_data('PDBForm').get('pks')
             # print("test pks: ",pks)