handle None value in field index

zopefoundation · Apr 21, 2017 · 7f5dc0e · 7f5dc0e
1 parent 67b96a1
commit 7f5dc0e
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/zope/index/field/index.py b/src/zope/index/field/index.py
@@ -66,11 +66,12 @@ def index_doc(self, docid, value):
 
         try:
             # Insert into forward index.
-            set = self._fwd_index.get(value)
-            if set is None:
-                set = self.family.IF.TreeSet()
-                self._fwd_index[value] = set
-            set.insert(docid)
+            if value is not None:
+                set = self._fwd_index.get(value)
+                if set is None:
+                    set = self.family.IF.TreeSet()
+                    self._fwd_index[value] = set
+                set.insert(docid)
         except TypeError:
             # TypeError is caused by improper keys on the latest version of BTree
             pass