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Do not serialize line/column for type aliases #19821

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Merged
merged 1 commit into from
Sep 10, 2025
+4 −10
Merged

Do not serialize line/column for type aliases #19821

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14 changes: 4 additions & 10 deletions mypy/nodes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4254,8 +4254,6 @@ def serialize(self) -> JsonDict:
"alias_tvars": [v.serialize() for v in self.alias_tvars],
"no_args": self.no_args,
"normalized": self.normalized,
"line": self.line,
"column": self.column,
"python_3_12_type_alias": self.python_3_12_type_alias,
}
return data
Expand All @@ -4270,15 +4268,13 @@ def deserialize(cls, data: JsonDict) -> TypeAlias:
target = mypy.types.deserialize_type(data["target"])
no_args = data["no_args"]
normalized = data["normalized"]
line = data["line"]
column = data["column"]
python_3_12_type_alias = data["python_3_12_type_alias"]
return cls(
target,
fullname,
module,
line,
column,
-1,
-1,
alias_tvars=cast(list[mypy.types.TypeVarLikeType], alias_tvars),
no_args=no_args,
normalized=normalized,
Expand All @@ -4291,8 +4287,6 @@ def write(self, data: Buffer) -> None:
write_str(data, self.module)
self.target.write(data)
mypy.types.write_type_list(data, self.alias_tvars)
write_int(data, self.line)
write_int(data, self.column)
write_bool(data, self.no_args)
write_bool(data, self.normalized)
write_bool(data, self.python_3_12_type_alias)
Expand All @@ -4307,8 +4301,8 @@ def read(cls, data: Buffer) -> TypeAlias:
target,
fullname,
module,
read_int(data),
read_int(data),
-1,
-1,
alias_tvars=alias_tvars,
no_args=read_bool(data),
normalized=read_bool(data),
Expand Down
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