def load_installed_version(self):
        installed_packages = get_installed_pypackages()
        if self.package in installed_packages:
            self.version = "=={}".format(
                installed_packages[self.package].version)
def _toggle_ignoring_sigint_v2_engine(self, toggle: bool):
        with self._ignore_sigint_lock:
            self._ignoring_sigint_v2_engine = toggle