python3.10-pyu2f 0.1.5a -> 0.1.5 https://pypi.org/project/pyu2f/ attrpath: python310Packages.pyu2f Received ExitFailure 1 when running Raw command: /nix/store/3nqhcyc7vid1npgcd0m7arg5sn325nhz-nix-2.12.0/bin/nix eval -f . "(let pkgs = import ./. {}; in builtins.hasAttr \"updateScript\" pkgs.python310Packages.pyu2f)" Standard error: error: attribute '(let pkgs = import ' in selection path '(let pkgs = import ./. {}; in builtins.hasAttr "updateScript" pkgs.python310Packages.pyu2f)' not found