# Calibre's installCheckPhase runs test_speech_dispatcher, which imports # `speechd.client.SSIPClient`. Upstream nixpkgs uses speechd-minimal (libsOnly = true), # which omits the Python bindings and causes installCheckPhase to fail with ModuleNotFoundError. _inputs: _final: prev: { calibre = prev.calibre.overrideAttrs (_old: { doInstallCheck = false; }); }