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Remove potentially dead code from make_simplified_union #15094

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Remove potentially dead code from make_simplified_union #15094

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9 changes: 0 additions & 9 deletions mypy/typeops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -530,8 +530,6 @@ def _remove_redundant_union_items(items: list[Type], keep_erased: bool) -> list[
if safe_skip:
continue

# Keep track of the truthiness info for deleted subtypes which can be relevant
cbt = cbf = False
for j, tj in enumerate(items):
proper_tj = get_proper_type(tj)
if (
Expand All @@ -553,13 +551,6 @@ def _remove_redundant_union_items(items: list[Type], keep_erased: bool) -> list[
):
# We found a redundant item in the union.
removed.add(j)
cbt = cbt or tj.can_be_true
cbf = cbf or tj.can_be_false
# if deleted subtypes had more general truthiness, use that
if not item.can_be_true and cbt:
items[i] = true_or_false(item)
elif not item.can_be_false and cbf:
items[i] = true_or_false(item)

return [items[i] for i in range(len(items)) if i not in removed]

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