.

wcfs/internal/xbtree.py

@@ -191,7 +191,7 @@ def _iterAllStructs(klo, khi, keyv, maxdepth, maxsplit):
 # _keyvSliceBy returns [] of keys from keyv : k ∈ [klo, khi)
 def _keyvSliceBy(keyv, klo, khi):
     assert klo <= khi
-    assert _keyvSorted(keyv)
+    _assertIncv(keyv)
     return list([k for k in keyv if (klo <= k < khi)])
 
 # _iterSplitByN iterates through all nsplit splitting of [lo, hi) range.