From 78e53c2ce832b30f0a33d8c71cb31af067f56bca Mon Sep 17 00:00:00 2001
From: Quentin Pradet <quentin@pradet.me>
Date: Tue, 26 Jan 2021 18:04:17 +0400
Subject: [PATCH 1/3] [1.26] Don't compare bytes and str in putheader()

---
 src/urllib3/connection.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/urllib3/connection.py b/src/urllib3/connection.py
index d2d456fb3c..9066e6ade4 100644
--- a/src/urllib3/connection.py
+++ b/src/urllib3/connection.py
@@ -215,7 +215,7 @@ def putrequest(self, method, url, *args, **kwargs):
 
     def putheader(self, header, *values):
         """"""
-        if SKIP_HEADER not in values:
+        if not any(isinstance(v, str) and v == SKIP_HEADER for v in values):
             _HTTPConnection.putheader(self, header, *values)
         elif six.ensure_str(header.lower()) not in SKIPPABLE_HEADERS:
             raise ValueError(

From deb37f08c4b6f6d2e5ac6a735d3b99e4ed9996d0 Mon Sep 17 00:00:00 2001
From: Seth Michael Larson <seth.larson@elastic.co>
Date: Tue, 26 Jan 2021 09:10:29 -0600
Subject: [PATCH 2/3] Use Python 3.5 compatible get-pip

---
 ci/install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/install.sh b/ci/install.sh
index adda3d13cb..20bd477c6c 100755
--- a/ci/install.sh
+++ b/ci/install.sh
@@ -8,7 +8,7 @@ set -exo pipefail
 # we're in one of the Travis Python 2 sessions and sets up the Python 3 install
 # for Nox.
 if ! python3 -m pip --version; then
-    curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+    curl https://bootstrap.pypa.io/3.5/get-pip.py -o get-pip.py
     sudo python3 get-pip.py
     # https://github.com/theacodes/nox/issues/328
     sudo python3 -m pip install nox==2019.11.9

From 3b106a81fa862146c100c1a952d2cbee84cdfe56 Mon Sep 17 00:00:00 2001
From: Seth Michael Larson <seth.larson@elastic.co>
Date: Tue, 26 Jan 2021 09:18:03 -0600
Subject: [PATCH 3/3] Allow using deprecated OpenSSL with
 CRYPTOGRAPHY_ALLOW_OPENSSL_102

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index ca52bf2681..fcea6cb174 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,6 +24,7 @@ notifications:
 env:
   global:
     - PYTHONWARNINGS=always::DeprecationWarning
+    - CRYPTOGRAPHY_ALLOW_OPENSSL_102=1
 
     - PYPI_USERNAME=urllib3
     # PYPI_PASSWORD is set in Travis control panel.