Handle missing entity reference

sorgerlab · Feb 6, 2018 · 3226abe · 3226abe
1 parent 5a77890
commit 3226abe
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/indra/sources/biopax/processor.py b/indra/sources/biopax/processor.py
@@ -1112,7 +1112,7 @@ def _get_chebi_id(bpe):
     def _get_rna_grounding(bpe):
         bp_entref = BiopaxProcessor._get_entref(bpe)
         if bp_entref is None:
-            return None
+            return {}
         xrefs = bp_entref.getXref().toArray()
         rna_grounding = {}
         for xr in xrefs:
@@ -1135,7 +1135,7 @@ def _get_rna_grounding(bpe):
     def _get_chemical_grounding(bpe):
         bp_entref = BiopaxProcessor._get_entref(bpe)
         if bp_entref is None:
-            return None
+            return {}
         xrefs = bp_entref.getXref().toArray()
         chemical_grounding = {}
         for xr in xrefs: