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 set_values(self, values):
    self._locker.lock("emit_size_spin_button_value_changed")
    self._locker.lock("prevent_removal_below_min_size")