From 9dfb5e415515b1ddc438fc60e966612bd228be59 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sun, 7 Jun 2020 10:02:16 +0200
Subject: [PATCH] python2.pkgs.configparser: keep at 4.0.2 for python 2

---
 .../python-modules/configparser/4.nix         | 26 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  5 +++-
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/python-modules/configparser/4.nix

diff --git a/pkgs/development/python-modules/configparser/4.nix b/pkgs/development/python-modules/configparser/4.nix
new file mode 100644
index 000000000000..038ee49d2c60
--- /dev/null
+++ b/pkgs/development/python-modules/configparser/4.nix
@@ -0,0 +1,26 @@
+{ stdenv, buildPythonPackage, fetchPypi, setuptools_scm }:
+
+buildPythonPackage rec {
+  pname = "configparser";
+  version = "4.0.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c7d282687a5308319bf3d2e7706e575c635b0a470342641c93bea0ea3b5331df";
+  };
+
+  # No tests available
+  doCheck = false;
+
+  nativeBuildInputs = [ setuptools_scm ];
+
+  preConfigure = ''
+    export LC_ALL=${if stdenv.isDarwin then "en_US" else "C"}.UTF-8
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Updated configparser from Python 3.7 for Python 2.6+.";
+    license = licenses.mit;
+    homepage = "https://github.com/jaraco/configparser";
+  };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bca892f06c3e..82ac287b918e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2278,7 +2278,10 @@ in {
   colander = callPackage ../development/python-modules/colander { };
 
   # Backported version of the ConfigParser library of Python 3.3
-  configparser = callPackage ../development/python-modules/configparser { };
+  configparser = if pythonOlder "3.6" then
+    callPackage ../development/python-modules/configparser/4.nix { }
+  else
+    callPackage ../development/python-modules/configparser { };
 
   ColanderAlchemy = callPackage ../development/python-modules/colanderalchemy { };