correct ppi name computation in contrib E2E tests

ippisite/ippidb/tests/tests_contribute_e2e.py

@@ -44,10 +44,8 @@ def compute_ppi_name(entry_data):
     partner_protein_names = [
         get_uniprot_info(uniprot_id)["short_name"] for uniprot_id in partner_uniprots
     ]
-    bound_protein_names.sort()
-    partner_protein_names.sort()
-    bound_str = ",".join(bound_protein_names)
-    partner_str = ",".join(partner_protein_names)
+    bound_str = ",".join(sorted(list(set(bound_protein_names))))
+    partner_str = ",".join(sorted(list(set(partner_protein_names))))
     name = bound_str
     if partner_str != "":
         name += " / " + partner_str