return False in _positional mask if no ids

BlueBrain · Jan 4, 2024 · 10df397 · 10df397
1 parent 3073a67
commit 10df397
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/bluepysnap/query.py b/bluepysnap/query.py
@@ -100,6 +100,8 @@ def _positional_mask(data, ids):
         return True
     if isinstance(ids, int):
         ids = [ids]
+    elif len(ids) == 0:
+        return False
     mask = np.full(len(data), fill_value=False)
     indices = data.index.get_indexer(ids)
     mask[indices[indices > -1]] = True