From 379807bf0d3eea104ab94515ab8a7e87217cbd38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
Date: Tue, 10 Jan 2017 20:39:40 +0100
Subject: [PATCH] Add workaround for platforms where injecting pyopenssl to
 urllib3 (#3990)

fails with requests package (Ubuntu Trusty)
---
 acme/acme/client.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/acme/acme/client.py b/acme/acme/client.py
index d041cc7d7..b5db57235 100644
--- a/acme/acme/client.py
+++ b/acme/acme/client.py
@@ -27,7 +27,11 @@ logger = logging.getLogger(__name__)
 # for SSL, which does allow these options to be configured.
 # https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning
 if sys.version_info < (2, 7, 9):  # pragma: no cover
-    requests.packages.urllib3.contrib.pyopenssl.inject_into_urllib3()
+    try:
+        requests.packages.urllib3.contrib.pyopenssl.inject_into_urllib3()
+    except AttributeError:
+        import urllib3.contrib.pyopenssl  # pylint: disable=import-error
+        urllib3.contrib.pyopenssl.inject_into_urllib3()
 
 DER_CONTENT_TYPE = 'application/pkix-cert'