import covalent报错No module named ‘fcntl‘

问题：

>>> import covalent
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "D:\Anaconda3\envs\py39\lib\site-packages\covalent\__init__.py", line 26, in <module>
    from . import executor, leptons  # nopycln: import
  File "D:\Anaconda3\envs\py39\lib\site-packages\covalent\executor\__init__.py", line 33, in <module>
    from .._shared_files import logger
  File "D:\Anaconda3\envs\py39\lib\site-packages\covalent\_shared_files\logger.py", line 28, in <module>
    from .config import get_config
  File "D:\Anaconda3\envs\py39\lib\site-packages\covalent\_shared_files\config.py", line 21, in <module>
    import fcntl
ModuleNotFoundError: No module named 'fcntl'

解决方案：

win系统是没有这个包的，需要自己在环境所在位置的“D:\