From 43e6f5f5af47660948527370dd8266b4dd917361 Mon Sep 17 00:00:00 2001
From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Wed, 27 Sep 2023 23:59:12 +0200
Subject: [PATCH] style: avoid a chained traceback on dns parsing error

---
 psycopg/psycopg/conninfo.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/psycopg/psycopg/conninfo.py b/psycopg/psycopg/conninfo.py
index 3b21f838f..38d1f7dab 100644
--- a/psycopg/psycopg/conninfo.py
+++ b/psycopg/psycopg/conninfo.py
@@ -95,7 +95,7 @@ def _parse_conninfo(conninfo: str) -> List[pq.ConninfoOption]:
     try:
         return pq.Conninfo.parse(conninfo.encode())
     except e.OperationalError as ex:
-        raise e.ProgrammingError(str(ex))
+        raise e.ProgrammingError(str(ex)) from None
 
 
 re_escape = re.compile(r"([\\'])")
-- 
2.47.2