From 90dd23566639665410cfb7beec832035854b09ae Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Sun, 22 Dec 2019 12:37:58 -0800
Subject: [PATCH] pythonPackages.jupyter_console: fix prompt_toolkit vers
 bounds

---
 .../development/python-modules/jupyter_console/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/jupyter_console/default.nix b/pkgs/development/python-modules/jupyter_console/default.nix
index f8cf8b3076a7..9200e004d0c6 100644
--- a/pkgs/development/python-modules/jupyter_console/default.nix
+++ b/pkgs/development/python-modules/jupyter_console/default.nix
@@ -20,7 +20,6 @@ buildPythonPackage rec {
     sha256 = "308ce876354924fb6c540b41d5d6d08acfc946984bf0c97777c1ddcb42e0b2f5";
   };
 
-  checkInputs = [ nose ];
   propagatedBuildInputs = [
     jupyter_client
     ipython
@@ -28,6 +27,12 @@ buildPythonPackage rec {
     prompt_toolkit
     pygments
   ];
+  checkInputs = [ nose ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "prompt_toolkit>=2.0.0,<2.1.0" "prompt_toolkit"
+  '';
 
   # ValueError: underlying buffer has been detached
   doCheck = false;