move re.error into re.pyi

stdlib/re.pyi

@@ -4,7 +4,6 @@ import sre_constants
 import sys
 from _typeshed import ReadableBuffer
 from collections.abc import Callable, Iterator, Mapping
-from sre_constants import error as error
 from typing import Any, AnyStr, Generic, Literal, TypeVar, final, overload
 from typing_extensions import TypeAlias
 
@@ -54,6 +53,16 @@ if sys.version_info >= (3, 13):
 
 _T = TypeVar("_T")
 
+# The implementation defines this in re._constants (version_info >= 3, 11) or
+# sre_constants. Typeshed has it here because its __module__ attribute is set to "re".
+class error(Exception):
+    msg: str
+    pattern: str | bytes | None
+    pos: int | None
+    lineno: int
+    colno: int
+    def __init__(self, msg: str, pattern: str | bytes | None = None, pos: int | None = None) -> None: ...
+
 @final
 class Match(Generic[AnyStr]):
     @property

stdlib/sre_constants.pyi

@@ -1,19 +1,12 @@
 import sys
+from re import error as error
 from typing import Any
 from typing_extensions import Self
 
 MAXGROUPS: int
 
 MAGIC: int
 
-class error(Exception):
-    msg: str
-    pattern: str | bytes | None
-    pos: int | None
-    lineno: int
-    colno: int
-    def __init__(self, msg: str, pattern: str | bytes | None = None, pos: int | None = None) -> None: ...
-
 class _NamedIntConstant(int):
     name: Any
     def __new__(cls, value: int, name: str) -> Self: ...