def stop(self, name: str) -> None:
        """Stops timer ``name``.

        Args:
            name: name of a timer
        """
        assert name in self._starts, f"Timer '{name}' wasn't started"

        self.elapsed[name] = time() - self._starts[name]
        del self._starts[name]
Stops timer ``name``.

        Args:
            name: name of a timer
        
catalyst/extras/time_manager.py