From a3b4e4a63da56b8d3abe094e724e903e654d517a Mon Sep 17 00:00:00 2001
From: jinyang_li <jinyangli34@gmail.com>
Date: Mon, 14 Jul 2025 14:05:34 -0700
Subject: [PATCH] import get_localzone_name only if timezone not avaiable

---
 trino/client.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/trino/client.py b/trino/client.py
index 7cc1f0f2..f6233dec 100644
--- a/trino/client.py
+++ b/trino/client.py
@@ -71,7 +71,6 @@
 from requests import Response
 from requests import Session
 from requests.structures import CaseInsensitiveDict
-from tzlocal import get_localzone_name  # type: ignore
 
 import trino.logging
 from trino import constants
@@ -184,9 +183,12 @@ def __init__(
         self._extra_credential = extra_credential
         self._client_tags = client_tags.copy() if client_tags is not None else list()
         self._roles = self._format_roles(roles) if roles is not None else {}
-        self._timezone = timezone or get_localzone_name()
         if timezone:  # Check timezone validity
             ZoneInfo(timezone)
+            self._timezone = timezone
+        else:
+            from tzlocal import get_localzone_name
+            self._timezone = get_localzone_name()
         self._encoding = encoding
 
     @property