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gh-132952: Improve Python startup time by ~12% #132956

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gh-132952: Improve Python startup time by ~12% #132956

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3 changes: 2 additions & 1 deletion Lib/io.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,6 @@
import _io
import abc

from _collections_abc import _check_methods
from _io import (DEFAULT_BUFFER_SIZE, BlockingIOError, UnsupportedOperation,
open, open_code, FileIO, BytesIO, StringIO, BufferedReader,
BufferedWriter, BufferedRWPair, BufferedRandom,
Expand Down Expand Up @@ -126,6 +125,7 @@ def read(self, size=..., /):
@classmethod
def __subclasshook__(cls, C):
if cls is Reader:
from _collections_abc import _check_methods
return _check_methods(C, "read")
return NotImplemented

Expand All @@ -147,6 +147,7 @@ def write(self, data, /):
@classmethod
def __subclasshook__(cls, C):
if cls is Writer:
from _collections_abc import _check_methods
return _check_methods(C, "write")
return NotImplemented

Expand Down
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