Fix _codecs.escape_decode return type

Author: ledvinap

stdlib/@tests/test_cases/check_codecs.py

@@ -11,3 +11,10 @@
 
 assert_type(codecs.decode("ab", "hex"), bytes)
 assert_type(codecs.decode(b"ab", "hex"), bytes)
+
+assert_type(codecs.escape_decode("ab"), tuple[bytes, int])
+assert_type(codecs.escape_decode(b"ab"), tuple[bytes, int])
+
+decoded, consumed = codecs.escape_decode(b"ab")
+assert_type(decoded, bytes)
+assert_type(consumed, int)

stdlib/_codecs.pyi

@@ -77,7 +77,8 @@ def ascii_decode(data: ReadableBuffer, errors: str | None = None, /) -> tuple[st
 def ascii_encode(str: str, errors: str | None = None, /) -> tuple[bytes, int]: ...
 def charmap_decode(data: ReadableBuffer, errors: str | None = None, mapping: _CharMap | None = None, /) -> tuple[str, int]: ...
 def charmap_encode(str: str, errors: str | None = None, mapping: _CharMap | None = None, /) -> tuple[bytes, int]: ...
-def escape_decode(data: str | ReadableBuffer, errors: str | None = None, /) -> tuple[str, int]: ...
+# Docs say this accepts a bytes-like object, but in practice it also accepts str.
+def escape_decode(data: str | ReadableBuffer, errors: str | None = None, /) -> tuple[bytes, int]: ...
 def escape_encode(data: bytes, errors: str | None = None, /) -> tuple[bytes, int]: ...
 def latin_1_decode(data: ReadableBuffer, errors: str | None = None, /) -> tuple[str, int]: ...
 def latin_1_encode(str: str, errors: str | None = None, /) -> tuple[bytes, int]: ...