Fix docstring (#913)

mmengine/fileio/file_client.py

mmengine/fileio/io.py

mmengine/hooks/logger_hook.py

mmengine/hooks/naive_visualization_hook.py

mmengine/optim/optimizer/default_constructor.py

mmengine/optim/optimizer/optimizer_wrapper.py

mmengine/optim/scheduler/lr_scheduler.py

mmengine/optim/scheduler/momentum_scheduler.py

mmengine/optim/scheduler/param_scheduler.py

mmengine/registry/registry.py

mmengine/registry/utils.py

mmengine/runner/checkpoint.py

mmengine/runner/runner.py

mmengine/runner/utils.py

mmengine/utils/dl_utils/hub.py

mmengine/utils/misc.py

mmengine/utils/path.py

mmengine/utils/version_utils.py

mmengine/visualization/vis_backend.py

mmengine/visualization/visualizer.py