解决jupyter-notebook启动缺少模块No module named 'ipyparallel'

1、启动jupyter-notebook启动缺少模块No module named 'ipyparallel'，具体：

 Error loading server extension ipyparallel.nbextension
    Traceback (most recent call last):
      File "/usr/lib/python3.10/site-packages/notebook/notebookapp.py", line 2026, in init_server_extensions
        mod = importlib.import_module(modulename)
      File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
        return _bootstrap._gcd_import(name[level:], package, level)
      File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1004, in _find_and_load_unlocked
    ModuleNotFoundError: No module named 'ipyparallel'

2、解决方法就是：

pip install ipyparallel