From 8d705d9f116a20d73a992380303c6e230c5cb857 Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Mon, 1 Jun 2020 15:20:53 +0200
Subject: [PATCH] poetry2nix: translate hashes to sha256

---
 pkgs/development/tools/poetry2nix/poetry2nix/lib.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix b/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
index 39233929abb..4d3d36fd769 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
@@ -146,7 +146,7 @@ let
     else
       pkgs.fetchurl {
         url = predictURLFromPypi { inherit pname file hash kind; };
-        inherit hash;
+        sha256 = builtins.elemAt (builtins.match "sha256:(.*)" hash) 0; # nix 2.0 backwards compatibility.
       }
   );
   getBuildSystemPkgs =