From 9a1a4138d3de701849a3de7e52d1d2176e12684b Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Thu, 25 Jun 2020 18:14:48 -0700
Subject: [PATCH] python3Packages.bidict: fix build

---
 pkgs/development/python-modules/bidict/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/python-modules/bidict/default.nix b/pkgs/development/python-modules/bidict/default.nix
index e29263a6b4f..ec0440b9e44 100644
--- a/pkgs/development/python-modules/bidict/default.nix
+++ b/pkgs/development/python-modules/bidict/default.nix
@@ -23,6 +23,12 @@ buildPythonPackage rec {
   nativeBuildInputs = [ setuptools_scm ];
   propagatedBuildInputs = [ sphinx ];
 
+  # this can be removed >0.19.0
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "setuptools_scm < 4" "setuptools_scm"
+  '';
+
   checkInputs = [
     hypothesis
     py