From ca51cb68c98e4fb4b1eb344ad92d7a205f3d4f0b Mon Sep 17 00:00:00 2001
From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Sun, 4 Feb 2024 20:57:54 -0500
Subject: [PATCH] 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'.
---
 Lib/csv.py                                                    | 4 ++--
 .../Library/2024-02-04-13-17-33.gh-issue-114628.WJpqqS.rst    | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Library/2024-02-04-13-17-33.gh-issue-114628.WJpqqS.rst

diff --git a/Lib/csv.py b/Lib/csv.py
index a079279b8b8cbce..75e35b23236795f 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 000000000000000..8138adc62c95f32
--- /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.