From 1c59b79eed70d4985abf064e74a57b4653956a3a Mon Sep 17 00:00:00 2001
From: Vladimir Kozbin <wawaka@gmail.com>
Date: Fri, 17 May 2019 12:12:41 +0700
Subject: [PATCH] fallback for os_name if user name is not defined

---
 clickhouse_driver/clientinfo.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/clickhouse_driver/clientinfo.py b/clickhouse_driver/clientinfo.py
index 3c67e025..fbdda8ab 100644
--- a/clickhouse_driver/clientinfo.py
+++ b/clickhouse_driver/clientinfo.py
@@ -36,7 +36,10 @@ class QueryKind(object):
     def __init__(self, client_name):
         self.query_kind = ClientInfo.QueryKind.NO_QUERY
 
-        self.os_user = getpass.getuser()
+        try:
+            self.os_user = getpass.getuser()
+        except KeyError:
+            self.os_user = ''
         self.client_hostname = socket.gethostname()
         self.client_name = client_name