https://github.com/python/cpython/commit/8dc3383abea72ee3deafec60818aeb817d8fec09
commit: 8dc3383abea72ee3deafec60818aeb817d8fec09
branch: main
author: Daniel Hollas <[email protected]>
committer: kumaraditya303 <[email protected]>
date: 2025-07-03T15:23:37+05:30
summary:
gh-135069: Fix exception message in encodings.idna module (#135071)
files:
A Misc/NEWS.d/next/Library/2025-06-03-12-59-17.gh-issue-135069.xop30V.rst
M Lib/encodings/idna.py
diff --git a/Lib/encodings/idna.py b/Lib/encodings/idna.py
index 60a8d5eb227f82..0c90b4c9fe18fa 100644
--- a/Lib/encodings/idna.py
+++ b/Lib/encodings/idna.py
@@ -316,7 +316,7 @@ def _buffer_encode(self, input, errors, final):
class IncrementalDecoder(codecs.BufferedIncrementalDecoder):
def _buffer_decode(self, input, errors, final):
if errors != 'strict':
- raise UnicodeError("Unsupported error handling: {errors}")
+ raise UnicodeError(f"Unsupported error handling: {errors}")
if not input:
return ("", 0)
diff --git
a/Misc/NEWS.d/next/Library/2025-06-03-12-59-17.gh-issue-135069.xop30V.rst
b/Misc/NEWS.d/next/Library/2025-06-03-12-59-17.gh-issue-135069.xop30V.rst
new file mode 100644
index 00000000000000..1affb5e2aadab7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-06-03-12-59-17.gh-issue-135069.xop30V.rst
@@ -0,0 +1,3 @@
+Fix the "Invalid error handling" exception in
+:class:`!encodings.idna.IncrementalDecoder` to correctly replace the
+'errors' parameter.
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