expect to fail; removed check

Author: krishna-datta

pandas/core/indexes/multi.py

@@ -4076,7 +4076,7 @@ def insert(self, loc: int, item) -> MultiIndex:
 
         new_levels = []
         new_codes = []
-        for k, level, level_codes in zip(item, self.levels, self.codes):
+        for k, level, level_codes in zip(item, self.levels, self.codes, strict=True):
             if k not in level:
                 # have to insert into level
                 # must insert at end otherwise you have to recompute all the
@@ -4172,7 +4172,7 @@ def _lexsort_depth(codes: list[np.ndarray], nlevels: int) -> int:
 
 
 def sparsify_labels(label_list, start: int = 0, sentinel: object = ""):
-    pivoted = list(zip(*label_list))
+    pivoted = list(zip(*label_list, strict=True))
     k = len(label_list)
 
     result = pivoted[: start + 1]
@@ -4181,7 +4181,7 @@ def sparsify_labels(label_list, start: int = 0, sentinel: object = ""):
     for cur in pivoted[start + 1 :]:
         sparse_cur = []
 
-        for i, (p, t) in enumerate(zip(prev, cur)):
+        for i, (p, t) in enumerate(zip(prev, cur, strict=True)):
             if i == k - 1:
                 sparse_cur.append(t)
                 result.append(sparse_cur)  # type: ignore[arg-type]
@@ -4196,7 +4196,7 @@ def sparsify_labels(label_list, start: int = 0, sentinel: object = ""):
 
         prev = cur
 
-    return list(zip(*result))
+    return list(zip(*result, strict=True))
 
 
 def _get_na_rep(dtype: DtypeObj) -> str:

pyproject.toml

@@ -462,7 +462,6 @@ exclude = [
 "pandas/core/groupby/groupby.py" = ["B905"]
 "pandas/core/groupby/grouper.py" = ["B905"]
 "pandas/core/groupby/ops.py" = ["B905"]
-"pandas/core/indexes/multi.py" = ["B905"]
 "pandas/core/indexing.py" = ["B905"]
 "pandas/core/methods/to_dict.py" = ["B905"]
 "pandas/core/reshape/concat.py" = ["B905"]