https://github.com/python/cpython/commit/e207cc181fbb0ceb30542fd0d68140c916305f57
commit: e207cc181fbb0ceb30542fd0d68140c916305f57
branch: main
author: Terry Jan Reedy <[email protected]>
committer: terryjreedy <[email protected]>
date: 2024-02-04T20:57:54-05:00
summary:
gh-114628: Display csv.Error without context (#115005)
When cvs.Error is raised when TypeError is caught,
the TypeError display and 'During handling' note is just noise
with duplicate information. Suppress with 'from None'.
files:
A Misc/NEWS.d/next/Library/2024-02-04-13-17-33.gh-issue-114628.WJpqqS.rst
M Lib/csv.py
diff --git a/Lib/csv.py b/Lib/csv.py
index a079279b8b8cbc..75e35b23236795 100644
--- a/Lib/csv.py
+++ b/Lib/csv.py
@@ -113,8 +113,8 @@ def _validate(self):
try:
_Dialect(self)
except TypeError as e:
- # We do this for compatibility with py2.3
- raise Error(str(e))
+ # Re-raise to get a traceback showing more user code.
+ raise Error(str(e)) from None
class excel(Dialect):
"""Describe the usual properties of Excel-generated CSV files."""
diff --git
a/Misc/NEWS.d/next/Library/2024-02-04-13-17-33.gh-issue-114628.WJpqqS.rst
b/Misc/NEWS.d/next/Library/2024-02-04-13-17-33.gh-issue-114628.WJpqqS.rst
new file mode 100644
index 00000000000000..8138adc62c95f3
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-02-04-13-17-33.gh-issue-114628.WJpqqS.rst
@@ -0,0 +1,2 @@
+When csv.Error is raised when handling TypeError, do not print the TypeError
+traceback.
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