https://github.com/python/cpython/commit/4b41b2043b110a38616ff86ddb3f065ae7f15c3e
commit: 4b41b2043b110a38616ff86ddb3f065ae7f15c3e
branch: main
author: Stan Ulbrych <89152624+stanfromirel...@users.noreply.github.com>
committer: malemburg <m...@lemburg.com>
date: 2025-07-10T17:31:08+02:00
summary:

gh-82663: Clarify `codecs.iterdecode/encode` docs (#136497)

Closes #82663

files:
M Doc/library/codecs.rst

diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index 0e84f18dd4d5d5..37bd913b765d21 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -243,8 +243,8 @@ wider range of codecs when working with binary files:
 .. function:: iterencode(iterator, encoding, errors='strict', **kwargs)
 
    Uses an incremental encoder to iteratively encode the input provided by
-   *iterator*. This function is a :term:`generator`.
-   The *errors* argument (as well as any
+   *iterator*. *iterator* must yield :class:`str` objects.
+   This function is a :term:`generator`. The *errors* argument (as well as any
    other keyword argument) is passed through to the incremental encoder.
 
    This function requires that the codec accept text :class:`str` objects
@@ -255,8 +255,8 @@ wider range of codecs when working with binary files:
 .. function:: iterdecode(iterator, encoding, errors='strict', **kwargs)
 
    Uses an incremental decoder to iteratively decode the input provided by
-   *iterator*. This function is a :term:`generator`.
-   The *errors* argument (as well as any
+   *iterator*. *iterator* must yield :class:`bytes` objects.
+   This function is a :term:`generator`. The *errors* argument (as well as any
    other keyword argument) is passed through to the incremental decoder.
 
    This function requires that the codec accept :class:`bytes` objects

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