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Delete a ProperType join hack #15461

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merged 2 commits into from
Jun 19, 2023
Merged

Delete a ProperType join hack #15461

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ea155b2
Delete a ProperType join hack
ilevkivskyi Jun 18, 2023
4f34cf8
Delete unused import
ilevkivskyi Jun 18, 2023
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9 changes: 0 additions & 9 deletions mypy/join.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@
Parameters,
ParamSpecType,
PartialType,
PlaceholderType,
ProperType,
TupleType,
Type,
Expand Down Expand Up @@ -246,14 +245,6 @@ def join_types(s: Type, t: Type, instance_joiner: InstanceJoiner | None = None)
if isinstance(s, UninhabitedType) and not isinstance(t, UninhabitedType):
s, t = t, s

# We shouldn't run into PlaceholderTypes here, but in practice we can encounter them
# here in the presence of undefined names
if isinstance(t, PlaceholderType) and not isinstance(s, PlaceholderType):
# mypyc does not allow switching the values like above.
return s.accept(TypeJoinVisitor(t))
elif isinstance(t, PlaceholderType):
return AnyType(TypeOfAny.from_error)

# Meets/joins require callable type normalization.
s, t = normalize_callables(s, t)

Expand Down