Fix zip function to enforce strict matching

Author: AnonToky

pandas/core/reshape/reshape.py

@@ -778,7 +778,7 @@ def _stack_multi_column_index(columns: MultiIndex) -> MultiIndex | Index:
 
     levs = (
         [lev[c] if c >= 0 else None for c in codes]
-        for lev, codes in zip(columns.levels[:-1], columns.codes[:-1])
+        for lev, codes in zip(columns.levels[:-1], columns.codes[:-1], strict = True)
     )
 
     # Remove duplicate tuples in the MultiIndex.
@@ -792,7 +792,7 @@ def _stack_multi_column_index(columns: MultiIndex) -> MultiIndex | Index:
         [
             # Not all indices can accept None values.
             Index(new_lev, dtype=lev.dtype) if None not in new_lev else new_lev
-            for new_lev, lev in zip(new_levs, columns.levels)
+            for new_lev, lev in zip(new_levs, columns.levels, strict = True)
         ],
         names=columns.names[:-1],
     )