{ poetry2nix, python3, pkgs }: let inherit (pkgs.stdenv) isLinux; env = poetry2nix.mkPoetryEnv { python = python3; pyproject = ./pyproject.toml; poetrylock = ./poetry.lock; preferWheels = false; overrides = poetry2nix.overrides.withDefaults ( _self: super: { grpcio = super.grpcio.override { preferWheel = isLinux; }; } ); }; in assert isLinux -> env.python.pkgs.grpcio.src.isWheel; env