From 5cb3501a37c2a89c2f0ce30ddb882bbc9b1da8da Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Sun, 3 May 2020 15:26:54 -0400
Subject: [PATCH 1/2] python3Packages.python-telegram-bot: mark python2 as
 unsupported

---
 pkgs/development/python-modules/python-telegram-bot/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/python-modules/python-telegram-bot/default.nix b/pkgs/development/python-modules/python-telegram-bot/default.nix
index 28541372c5e4..30caa0f3d6a6 100644
--- a/pkgs/development/python-modules/python-telegram-bot/default.nix
+++ b/pkgs/development/python-modules/python-telegram-bot/default.nix
@@ -7,11 +7,13 @@
 , urllib3
 , tornado
 , pytest
+, isPy3k
 }:
 
 buildPythonPackage rec {
   pname = "python-telegram-bot";
   version = "12.7";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;

From cc97e9d7f0d89aaf75d6d9e1394d8d7dc18f9b83 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Sun, 3 May 2020 15:27:29 -0400
Subject: [PATCH 2/2] python3Packages.python-telegram-bot: set
 --with-upstream-urllib3 properly, add workaround

---
 .../python-modules/python-telegram-bot/default.nix          | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/python-telegram-bot/default.nix b/pkgs/development/python-modules/python-telegram-bot/default.nix
index 30caa0f3d6a6..f36f82395685 100644
--- a/pkgs/development/python-modules/python-telegram-bot/default.nix
+++ b/pkgs/development/python-modules/python-telegram-bot/default.nix
@@ -23,7 +23,11 @@ buildPythonPackage rec {
   checkInputs = [ pytest ];
   propagatedBuildInputs = [ certifi future urllib3 tornado decorator ];
 
-  pipInstallFlags = "--install-option '--with-upstream-urllib3'";
+  # --with-upstream-urllib3 is not working properly
+  postPatch = ''
+    rm -rf telegram/vendor
+  '';
+  setupPyGlobalFlags = "--with-upstream-urllib3";
 
   # tests not included with release
   doCheck = false;