From 581b4969f59b8e1cf37e8cca342a0a6bcb4e02bb Mon Sep 17 00:00:00 2001
From: Min RK <benjaminrk@gmail.com>
Date: Mon, 30 Jul 2018 14:33:02 +0200
Subject: [PATCH] traefik can give 502 while starting up

---
 tljh/installer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tljh/installer.py b/tljh/installer.py
index 219fcf6..4c38b1e 100644
--- a/tljh/installer.py
+++ b/tljh/installer.py
@@ -262,7 +262,7 @@ def ensure_jupyterhub_running(times=4):
             urlopen('http://127.0.0.1')
             return
         except HTTPError as h:
-            if h.code in [404, 503]:
+            if h.code in [404, 502, 503]:
                 # May be transient
                 time.sleep(1)
                 continue