From 7f56f7057c3448373600534fa4cdb1fb04d51524 Mon Sep 17 00:00:00 2001
From: Joffrey F <jfuhrer@brandless.com>
Date: Thu, 2 May 2019 12:46:56 -0700
Subject: Don't add superfluous arguments

Signed-off-by: Joffrey F <f.joffrey@gmail.com>
---
 docker/api/container.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker/api/container.py b/docker/api/container.py
index 2977f28..2dca68a 100644
--- a/docker/api/container.py
+++ b/docker/api/container.py
@@ -416,7 +416,7 @@ class ContainerApiMixin(object):
         if use_config_proxy:
             environment = self._proxy_configs.inject_proxy_environment(
                 environment
-            )
+            ) or None
 
         config = self.create_container_config(
             image, command, hostname, user, detach, stdin_open, tty,
-- 
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