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[3.14] gh-141314: Fix TextIOWrapper.tell() assertion failure with standalone carriage return (GH-141331) (GH-141453)
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Browse source 
The assertion was checking wrong variable (skip_back vs skip_bytes).
(cherry picked from commit af80fac425)
This commit is contained in:
Mohsin Mehmood 2025-11-12 15:40:02 +05:00 • committed by GitHub
parent e9c11b7495
commit 92c14a91d2
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GPG key ID: B5690EEEBB952194
3 changed files with 20 additions and 1 deletions
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Modules/_io/textio.c
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@ -2844,7 +2844,7 @@ _io_TextIOWrapper_tell_impl(textio *self)
current pos */
skip_bytes = (Py_ssize_t) (self->b2cratio * chars_to_skip);
skip_back = 1;
assert(skip_back <= PyBytes_GET_SIZE(next_input));
assert(skip_bytes <= PyBytes_GET_SIZE(next_input));
input = PyBytes_AS_STRING(next_input);
while (skip_bytes > 0) {
/* Decode up to temptative start point */