1 files changed, 10 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/poetry-core/default.nix b/nixpkgs/pkgs/development/python-modules/poetry-core/default.nix
index 80c4b5acfe8c..4d8c444dcd20 100644
--- a/nixpkgs/pkgs/development/python-modules/poetry-core/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/poetry-core/default.nix
@@ -7,22 +7,29 @@
 , pytest-mock
 , pytestCheckHook
 , tomlkit
-, typing
+, typing ? null
 , virtualenv
 }:
 
 buildPythonPackage rec {
   pname = "poetry-core";
-  version = "1.0.2";
+  version = "1.0.3";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "python-poetry";
     repo = pname;
     rev = version;
-    sha256 = "sha256-OE6oc/3HYrMmgPnINxvSZ27m8YeZk5Gnn9ok8GlSIZ0=";
+    sha256 = "07x0zagf9cfr7g3132jjd5byywkbnzpfbxjfjzpzpj70fqw70qrc";
   };
 
+  postPatch = lib.optionalString (pythonOlder "3.8") ''
+    # remove >1.0.3
+    substituteInPlace pyproject.toml \
+      --replace 'importlib-metadata = {version = "^1.7.0", python = "~2.7 || >=3.5, <3.8"}' \
+        'importlib-metadata = {version = ">=1.7.0", python = "~2.7 || >=3.5, <3.8"}'
+  '';
+
   nativeBuildInputs = [
     intreehooks
   ];